Factors / Factors of 216

Factors of 216

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216

216 breaks into 8 pairs, tested up to √216 ≈ 14.7; each pair multiplies back to 216 exactly. 216's full pair list is (1, 216), (2, 108), (3, 72), (4, 54), (6, 36), (8, 27), (9, 24), (12, 18), for 16 divisors in total. 216's divisors other than 216 itself sum to 384, 168 above 216: abundant. 216 is even, digit sum 9 for 216; small divisors of 216 include 2, 3, 4, 6, 8. 216 has 16 divisors; 215 has 4 and 217 has 4, so 216 wins here. 216 divided by its largest divisor, 108, gives 2.