21675475

素因数分解:

$5^2\times {\mathrm{449}}^1\times {\mathrm{1931}}^1$

素因数の和:2390

約数の個数: 12

約数和(自身を含む): 26951400

約数和(自身を除く): 5275925

約数列:

[1, 5, 25, 449, 1931, 2245, 9655, 11225, 48275, 867019, 4335095, 21675475]

約数ペア:

[(1, 21675475), (5, 4335095), (25, 867019), (449, 48275), (1931, 11225), (2245, 9655)]