21072850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14533}}^1$

素因数の和:14574

約数の個数: 24

約数和(自身を含む): 40549860

約数和(自身を除く): 19477010

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14533, 29066, 72665, 145330, 363325, 421457, 726650, 842914, 2107285, 4214570, 10536425, 21072850]

約数ペア:

[(1, 21072850), (2, 10536425), (5, 4214570), (10, 2107285), (25, 842914), (29, 726650), (50, 421457), (58, 363325), (145, 145330), (290, 72665), (725, 29066), (1450, 14533)]