21498356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1361}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 41186880

約数和(自身を除く): 19688524

約数列:

[1, 2, 4, 11, 22, 44, 359, 718, 1361, 1436, 2722, 3949, 5444, 7898, 14971, 15796, 29942, 59884, 488599, 977198, 1954396, 5374589, 10749178, 21498356]

約数ペア:

[(1, 21498356), (2, 10749178), (4, 5374589), (11, 1954396), (22, 977198), (44, 488599), (359, 59884), (718, 29942), (1361, 15796), (1436, 14971), (2722, 7898), (3949, 5444)]