21391854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{324119}}^1$

素因数の和:324135

約数の個数: 16

約数和(自身を含む): 46673280

約数和(自身を除く): 25281426

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 324119, 648238, 972357, 1944714, 3565309, 7130618, 10695927, 21391854]

約数ペア:

[(1, 21391854), (2, 10695927), (3, 7130618), (6, 3565309), (11, 1944714), (22, 972357), (33, 648238), (66, 324119)]