21902060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57637}}^1$

素因数の和:57665

約数の個数: 24

約数和(自身を含む): 48415920

約数和(自身を除く): 26513860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 57637, 115274, 230548, 288185, 576370, 1095103, 1152740, 2190206, 4380412, 5475515, 10951030, 21902060]

約数ペア:

[(1, 21902060), (2, 10951030), (4, 5475515), (5, 4380412), (10, 2190206), (19, 1152740), (20, 1095103), (38, 576370), (76, 288185), (95, 230548), (190, 115274), (380, 57637)]