Factors of 21
Factors of 21 are 1, 3, 7. There are 3 integers that are factors of 21. The biggest factor of 21 is 7. Positive integers that divides 21 without a remainder are listed below.
What are the multiples of 21?
- 1
 - 3
 - 7
 
What are the factors of 21 in 2 pairs?
- 1 × 21 = 21
 - 3 × 7 = 21
 - 7 × 3 = 21
 
Factors of 21 Table
| Factor | Factor Number | 
|---|---|
| 1 | one | 
| 3 | three | 
| 7 | seven | 
Related Factors
- 11
 - 12
 - 13
 - 14
 - 15
 - 16
 - 17
 - 18
 - 19
 - 20
 - 21
 - 22
 - 23
 - 24
 - 25
 - 26
 - 27
 - 28
 - 29
 - 30
 - 31
 - 32
 - 33
 - 34
 - 35
 - 36
 - 37
 - 38
 - 39
 - 40
 - 41
 - 42
 - 43
 - 44
 - 45