21497450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33073}}^1$

素因数の和:33098

約数の個数: 24

約数和(自身を含む): 43062348

約数和(自身を除く): 21564898

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33073, 66146, 165365, 330730, 429949, 826825, 859898, 1653650, 2149745, 4299490, 10748725, 21497450]

約数ペア:

[(1, 21497450), (2, 10748725), (5, 4299490), (10, 2149745), (13, 1653650), (25, 859898), (26, 826825), (50, 429949), (65, 330730), (130, 165365), (325, 66146), (650, 33073)]