21900658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49549}}^1$

素因数の和:49581

約数の個数: 16

約数和(自身を含む): 37459800

約数和(自身を除く): 15559142

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49549, 99098, 644137, 842333, 1288274, 1684666, 10950329, 21900658]

約数ペア:

[(1, 21900658), (2, 10950329), (13, 1684666), (17, 1288274), (26, 842333), (34, 644137), (221, 99098), (442, 49549)]