21516044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{489001}}^1$

素因数の和:489016

約数の個数: 12

約数和(自身を含む): 41076168

約数和(自身を除く): 19560124

約数列:

[1, 2, 4, 11, 22, 44, 489001, 978002, 1956004, 5379011, 10758022, 21516044]

約数ペア:

[(1, 21516044), (2, 10758022), (4, 5379011), (11, 1956004), (22, 978002), (44, 489001)]