21264452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2129}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 40793760

約数和(自身を除く): 19529308

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2129, 2497, 4258, 4994, 8516, 9988, 23419, 46838, 93676, 483283, 966566, 1933132, 5316113, 10632226, 21264452]

約数ペア:

[(1, 21264452), (2, 10632226), (4, 5316113), (11, 1933132), (22, 966566), (44, 483283), (227, 93676), (454, 46838), (908, 23419), (2129, 9988), (2497, 8516), (4258, 4994)]