21644519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2714

約数の個数: 16

約数和(自身を含む): 25357248

約数和(自身を除く): 3712729

約数列:

[1, 13, 17, 37, 221, 481, 629, 2647, 8177, 34411, 44999, 97939, 584987, 1273207, 1664963, 21644519]

約数ペア:

[(1, 21644519), (13, 1664963), (17, 1273207), (37, 584987), (221, 97939), (481, 44999), (629, 34411), (2647, 8177)]