21775351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2663}}^1$

素因数の和:2730

約数の個数: 16

約数和(自身を含む): 25510464

約数和(自身を除く): 3735113

約数列:

[1, 13, 17, 37, 221, 481, 629, 2663, 8177, 34619, 45271, 98531, 588523, 1280903, 1675027, 21775351]

約数ペア:

[(1, 21775351), (13, 1675027), (17, 1280903), (37, 588523), (221, 98531), (481, 45271), (629, 34619), (2663, 8177)]