21117434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47777}}^1$

素因数の和:47809

約数の個数: 16

約数和(自身を含む): 36120168

約数和(自身を除く): 15002734

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47777, 95554, 621101, 812209, 1242202, 1624418, 10558717, 21117434]

約数ペア:

[(1, 21117434), (2, 10558717), (13, 1624418), (17, 1242202), (26, 812209), (34, 621101), (221, 95554), (442, 47777)]