21628150

素因数分解:

$2^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1409}}^1$

素因数の和:1728

約数の個数: 24

約数和(自身を含む): 40388040

約数和(自身を除く): 18759890

約数列:

[1, 2, 5, 10, 25, 50, 307, 614, 1409, 1535, 2818, 3070, 7045, 7675, 14090, 15350, 35225, 70450, 432563, 865126, 2162815, 4325630, 10814075, 21628150]

約数ペア:

[(1, 21628150), (2, 10814075), (5, 4325630), (10, 2162815), (25, 865126), (50, 432563), (307, 70450), (614, 35225), (1409, 15350), (1535, 14090), (2818, 7675), (3070, 7045)]