20210694511

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{9990457}}^1$

素因数の和:9990498

約数の個数: 12

約数和(自身を含む): 24536564848

約数和(自身を除く): 4325870337

約数列:

[1, 7, 17, 119, 289, 2023, 9990457, 69933199, 169837769, 1188864383, 2887242073, 20210694511]

約数ペア:

[(1, 20210694511), (7, 2887242073), (17, 1188864383), (119, 169837769), (289, 69933199), (2023, 9990457)]