21619214

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2221}}^1$

素因数の和:2411

約数の個数: 16

約数和(自身を含む): 33703296

約数和(自身を除く): 12084082

約数列:

[1, 2, 31, 62, 157, 314, 2221, 4442, 4867, 9734, 68851, 137702, 348697, 697394, 10809607, 21619214]

約数ペア:

[(1, 21619214), (2, 10809607), (31, 697394), (62, 348697), (157, 137702), (314, 68851), (2221, 9734), (4442, 4867)]