21250450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32693}}^1$

素因数の和:32718

約数の個数: 24

約数和(自身を含む): 42567588

約数和(自身を除く): 21317138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32693, 65386, 163465, 326930, 425009, 817325, 850018, 1634650, 2125045, 4250090, 10625225, 21250450]

約数ペア:

[(1, 21250450), (2, 10625225), (5, 4250090), (10, 2125045), (13, 1634650), (25, 850018), (26, 817325), (50, 425009), (65, 326930), (130, 163465), (325, 65386), (650, 32693)]