Factors / Factors of 42

Factors of 42

1, 2, 3, 6, 7, 14, 21, 42

42 breaks into 4 pairs, tested up to √42 ≈ 6.5; each pair multiplies back to 42 exactly. 42's full pair list is (1, 42), (2, 21), (3, 14), (6, 7), for 8 divisors in total. 42's divisors other than 42 itself sum to 54, 12 above 42: abundant. 42 is even, digit sum 6 for 42; small divisors of 42 include 2, 3, 6, 7. 42 has 8 divisors; 41 has 2 and 43 has 2, so 42 wins here. 42 divided by its largest divisor, 21, gives 2.