21187860838

素因数分解:

$2^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1\times {\mathrm{102121}}^1$

素因数の和:102807

約数の個数: 16

約数和(自身を含む): 31991963184

約数和(自身を除く): 10804102346

約数列:

[1, 2, 227, 454, 457, 914, 102121, 103739, 204242, 207478, 23181467, 46362934, 46669297, 93338594, 10593930419, 21187860838]

約数ペア:

[(1, 21187860838), (2, 10593930419), (227, 93338594), (454, 46669297), (457, 46362934), (914, 23181467), (102121, 207478), (103739, 204242)]