21114531

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 31596240

約数和(自身を除く): 10481709

約数列:

[1, 3, 9, 37, 111, 163, 333, 389, 489, 1167, 1467, 3501, 6031, 14393, 18093, 43179, 54279, 63407, 129537, 190221, 570663, 2346059, 7038177, 21114531]

約数ペア:

[(1, 21114531), (3, 7038177), (9, 2346059), (37, 570663), (111, 190221), (163, 129537), (333, 63407), (389, 54279), (489, 43179), (1167, 18093), (1467, 14393), (3501, 6031)]