21477650

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{4253}}^1$

素因数の和:4366

約数の個数: 24

約数和(自身を含む): 40353444

約数和(自身を除く): 18875794

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 4253, 5050, 8506, 21265, 42530, 106325, 212650, 429553, 859106, 2147765, 4295530, 10738825, 21477650]

約数ペア:

[(1, 21477650), (2, 10738825), (5, 4295530), (10, 2147765), (25, 859106), (50, 429553), (101, 212650), (202, 106325), (505, 42530), (1010, 21265), (2525, 8506), (4253, 5050)]