21987103

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 24774336

約数和(自身を除く): 2787233

約数列:

[1, 17, 23, 53, 391, 901, 1061, 1219, 18037, 20723, 24403, 56233, 414851, 955961, 1293359, 21987103]

約数ペア:

[(1, 21987103), (17, 1293359), (23, 955961), (53, 414851), (391, 56233), (901, 24403), (1061, 20723), (1219, 18037)]