21126974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50543}}^1$

素因数の和:50575

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 15264706

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50543, 101086, 555973, 960317, 1111946, 1920634, 10563487, 21126974]

約数ペア:

[(1, 21126974), (2, 10563487), (11, 1920634), (19, 1111946), (22, 960317), (38, 555973), (209, 101086), (418, 50543)]