21715838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2297}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 33918480

約数和(自身を除く): 12202642

約数列:

[1, 2, 29, 58, 163, 326, 2297, 4594, 4727, 9454, 66613, 133226, 374411, 748822, 10857919, 21715838]

約数ペア:

[(1, 21715838), (2, 10857919), (29, 748822), (58, 374411), (163, 133226), (326, 66613), (2297, 9454), (4594, 4727)]