21640069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 25390080

約数和(自身を除く): 3750011

約数列:

[1, 11, 19, 47, 209, 517, 893, 2203, 9823, 24233, 41857, 103541, 460427, 1138951, 1967279, 21640069]

約数ペア:

[(1, 21640069), (11, 1967279), (19, 1138951), (47, 460427), (209, 103541), (517, 41857), (893, 24233), (2203, 9823)]