21815950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33563}}^1$

素因数の和:33588

約数の個数: 24

約数和(自身を含む): 43700328

約数和(自身を除く): 21884378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33563, 67126, 167815, 335630, 436319, 839075, 872638, 1678150, 2181595, 4363190, 10907975, 21815950]

約数ペア:

[(1, 21815950), (2, 10907975), (5, 4363190), (10, 2181595), (13, 1678150), (25, 872638), (26, 839075), (50, 436319), (65, 335630), (130, 167815), (325, 67126), (650, 33563)]