21275990

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{36061}}^1$

素因数の和:36127

約数の個数: 16

約数和(自身を含む): 38946960

約数和(自身を除く): 17670970

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 36061, 72122, 180305, 360610, 2127599, 4255198, 10637995, 21275990]

約数ペア:

[(1, 21275990), (2, 10637995), (5, 4255198), (10, 2127599), (59, 360610), (118, 180305), (295, 72122), (590, 36061)]