21796450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33533}}^1$

素因数の和:33558

約数の個数: 24

約数和(自身を含む): 43661268

約数和(自身を除く): 21864818

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33533, 67066, 167665, 335330, 435929, 838325, 871858, 1676650, 2179645, 4359290, 10898225, 21796450]

約数ペア:

[(1, 21796450), (2, 10898225), (5, 4359290), (10, 2179645), (13, 1676650), (25, 871858), (26, 838325), (50, 435929), (65, 335330), (130, 167665), (325, 67066), (650, 33533)]