21032540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36263}}^1$

素因数の和:36301

約数の個数: 24

約数和(自身を含む): 45692640

約数和(自身を除く): 24660100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36263, 72526, 145052, 181315, 362630, 725260, 1051627, 2103254, 4206508, 5258135, 10516270, 21032540]

約数ペア:

[(1, 21032540), (2, 10516270), (4, 5258135), (5, 4206508), (10, 2103254), (20, 1051627), (29, 725260), (58, 362630), (116, 181315), (145, 145052), (290, 72526), (580, 36263)]