21712550

素因数分解:

$2^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{1913}}^1$

素因数の和:2152

約数の個数: 24

約数和(自身を含む): 40584456

約数和(自身を除く): 18871906

約数列:

[1, 2, 5, 10, 25, 50, 227, 454, 1135, 1913, 2270, 3826, 5675, 9565, 11350, 19130, 47825, 95650, 434251, 868502, 2171255, 4342510, 10856275, 21712550]

約数ペア:

[(1, 21712550), (2, 10856275), (5, 4342510), (10, 2171255), (25, 868502), (50, 434251), (227, 95650), (454, 47825), (1135, 19130), (1913, 11350), (2270, 9565), (3826, 5675)]