21894625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 27720576

約数和(自身を除く): 5825951

約数列:

[1, 5, 25, 71, 125, 355, 1775, 2467, 8875, 12335, 61675, 175157, 308375, 875785, 4378925, 21894625]

約数ペア:

[(1, 21894625), (5, 4378925), (25, 875785), (71, 308375), (125, 175157), (355, 61675), (1775, 12335), (2467, 8875)]