21937402

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 33449472

約数和(自身を除く): 11512070

約数列:

[1, 2, 101, 202, 223, 446, 487, 974, 22523, 45046, 49187, 98374, 108601, 217202, 10968701, 21937402]

約数ペア:

[(1, 21937402), (2, 10968701), (101, 217202), (202, 108601), (223, 98374), (446, 49187), (487, 45046), (974, 22523)]