21906950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33703}}^1$

素因数の和:33728

約数の個数: 24

約数和(自身を含む): 43882608

約数和(自身を除く): 21975658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33703, 67406, 168515, 337030, 438139, 842575, 876278, 1685150, 2190695, 4381390, 10953475, 21906950]

約数ペア:

[(1, 21906950), (2, 10953475), (5, 4381390), (10, 2190695), (13, 1685150), (25, 876278), (26, 842575), (50, 438139), (65, 337030), (130, 168515), (325, 67406), (650, 33703)]