21462290

素因数分解:

$2^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1901}}^1$

素因数の和:3037

約数の個数: 16

約数和(自身を含む): 38686680

約数和(自身を除く): 17224390

約数列:

[1, 2, 5, 10, 1129, 1901, 2258, 3802, 5645, 9505, 11290, 19010, 2146229, 4292458, 10731145, 21462290]

約数ペア:

[(1, 21462290), (2, 10731145), (5, 4292458), (10, 2146229), (1129, 19010), (1901, 11290), (2258, 9505), (3802, 5645)]