21000606772

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{122096551}}^1$

素因数の和:122096598

約数の個数: 12

約数和(自身を含む): 37605738016

約数和(自身を除く): 16605131244

約数列:

[1, 2, 4, 43, 86, 172, 122096551, 244193102, 488386204, 5250151693, 10500303386, 21000606772]

約数ペア:

[(1, 21000606772), (2, 10500303386), (4, 5250151693), (43, 488386204), (86, 244193102), (172, 122096551)]