Factors of 21

Find all factors of 21. The number 21 has 4 factors: 1, 3, 7, 21. Free online factor calculator.

Answer:

Factors of 21: 1, 3, 7, 21

How it's calculated:

Factors are numbers that divide evenly into 21. Find all pairs of numbers whose product equals 21.

Frequently Asked Questions

Factors of 21 — Find All Factors of 21

Factors of 21: 1, 3, 7, 21

Factors of 21 — Find All Factors of 21 - Mathify | Mathify