2021878391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{538163}}^1$

素因数の和:538210

約数の個数: 12

約数和(自身を含む): 2313028872

約数和(自身を除く): 291150481

約数列:

[1, 13, 17, 221, 289, 3757, 538163, 6996119, 9148771, 118934023, 155529107, 2021878391]

約数ペア:

[(1, 2021878391), (13, 155529107), (17, 118934023), (221, 9148771), (289, 6996119), (3757, 538163)]