21622205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3001}}^1$

素因数の和:3148

約数の個数: 16

約数和(自身を含む): 28531008

約数和(自身を除く): 6908803

約数列:

[1, 5, 11, 55, 131, 655, 1441, 3001, 7205, 15005, 33011, 165055, 393131, 1965655, 4324441, 21622205]

約数ペア:

[(1, 21622205), (5, 4324441), (11, 1965655), (55, 393131), (131, 165055), (655, 33011), (1441, 15005), (3001, 7205)]