21915764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14533}}^1$

素因数の和:14579

約数の個数: 24

約数和(自身を含む): 42729960

約数和(自身を除く): 20814196

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14533, 29066, 58132, 188929, 377858, 421457, 755716, 842914, 1685828, 5478941, 10957882, 21915764]

約数ペア:

[(1, 21915764), (2, 10957882), (4, 5478941), (13, 1685828), (26, 842914), (29, 755716), (52, 421457), (58, 377858), (116, 188929), (377, 58132), (754, 29066), (1508, 14533)]