21516022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{978001}}^1$

素因数の和:978014

約数の個数: 8

約数和(自身を含む): 35208072

約数和(自身を除く): 13692050

約数列:

[1, 2, 11, 22, 978001, 1956002, 10758011, 21516022]

約数ペア:

[(1, 21516022), (2, 10758011), (11, 1956002), (22, 978001)]