21220550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32647}}^1$

素因数の和:32672

約数の個数: 24

約数和(自身を含む): 42507696

約数和(自身を除く): 21287146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32647, 65294, 163235, 326470, 424411, 816175, 848822, 1632350, 2122055, 4244110, 10610275, 21220550]

約数ペア:

[(1, 21220550), (2, 10610275), (5, 4244110), (10, 2122055), (13, 1632350), (25, 848822), (26, 816175), (50, 424411), (65, 326470), (130, 163235), (325, 65294), (650, 32647)]