21520201582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{978190981}}^1$

素因数の和:978190994

約数の個数: 8

約数和(自身を含む): 35214875352

約数和(自身を除く): 13694673770

約数列:

[1, 2, 11, 22, 978190981, 1956381962, 10760100791, 21520201582]

約数ペア:

[(1, 21520201582), (2, 10760100791), (11, 1956381962), (22, 978190981)]