21659110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196901}}^1$

素因数の和:196919

約数の個数: 16

約数和(自身を含む): 42530832

約数和(自身を除く): 20871722

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 196901, 393802, 984505, 1969010, 2165911, 4331822, 10829555, 21659110]

約数ペア:

[(1, 21659110), (2, 10829555), (5, 4331822), (10, 2165911), (11, 1969010), (22, 984505), (55, 393802), (110, 196901)]