20211850

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2713}}^1$

素因数の和:2874

約数の個数: 24

約数和(自身を含む): 37860300

約数和(自身を除く): 17648450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2713, 3725, 5426, 7450, 13565, 27130, 67825, 135650, 404237, 808474, 2021185, 4042370, 10105925, 20211850]

約数ペア:

[(1, 20211850), (2, 10105925), (5, 4042370), (10, 2021185), (25, 808474), (50, 404237), (149, 135650), (298, 67825), (745, 27130), (1490, 13565), (2713, 7450), (3725, 5426)]