21723188

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 39459840

約数和(自身を除く): 17736652

約数列:

[1, 2, 4, 31, 62, 124, 239, 478, 733, 956, 1466, 2932, 7409, 14818, 22723, 29636, 45446, 90892, 175187, 350374, 700748, 5430797, 10861594, 21723188]

約数ペア:

[(1, 21723188), (2, 10861594), (4, 5430797), (31, 700748), (62, 350374), (124, 175187), (239, 90892), (478, 45446), (733, 29636), (956, 22723), (1466, 14818), (2932, 7409)]