20210575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10499}}^1$

素因数の和:10527

約数の個数: 24

約数和(自身を含む): 31248000

約数和(自身を除く): 11037425

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 10499, 52495, 73493, 115489, 262475, 367465, 577445, 808423, 1837325, 2887225, 4042115, 20210575]

約数ペア:

[(1, 20210575), (5, 4042115), (7, 2887225), (11, 1837325), (25, 808423), (35, 577445), (55, 367465), (77, 262475), (175, 115489), (275, 73493), (385, 52495), (1925, 10499)]