21712366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49123}}^1$

素因数の和:49155

約数の個数: 16

約数和(自身を含む): 37137744

約数和(自身を除く): 15425378

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49123, 98246, 638599, 835091, 1277198, 1670182, 10856183, 21712366]

約数ペア:

[(1, 21712366), (2, 10856183), (13, 1670182), (17, 1277198), (26, 835091), (34, 638599), (221, 98246), (442, 49123)]