21718450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33413}}^1$

素因数の和:33438

約数の個数: 24

約数和(自身を含む): 43505028

約数和(自身を除く): 21786578

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33413, 66826, 167065, 334130, 434369, 835325, 868738, 1670650, 2171845, 4343690, 10859225, 21718450]

約数ペア:

[(1, 21718450), (2, 10859225), (5, 4343690), (10, 2171845), (13, 1670650), (25, 868738), (26, 835325), (50, 434369), (65, 334130), (130, 167065), (325, 66826), (650, 33413)]