21718218

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{33829}}^1$

素因数の和:33941

約数の個数: 16

約数和(自身を含む): 43843680

約数和(自身を除く): 22125462

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 33829, 67658, 101487, 202974, 3619703, 7239406, 10859109, 21718218]

約数ペア:

[(1, 21718218), (2, 10859109), (3, 7239406), (6, 3619703), (107, 202974), (214, 101487), (321, 67658), (642, 33829)]