21630817

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7529}}^1$

素因数の和:7572

約数の個数: 12

約数和(自身を含む): 24803820

約数和(自身を除く): 3173003

約数列:

[1, 13, 17, 169, 221, 2873, 7529, 97877, 127993, 1272401, 1663909, 21630817]

約数ペア:

[(1, 21630817), (13, 1663909), (17, 1272401), (169, 127993), (221, 97877), (2873, 7529)]