21231066069

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{247873}}^1$

素因数の和:248217

約数の個数: 24

約数和(自身を含む): 31759599872

約数和(自身を除く): 10528533803

約数列:

[1, 3, 9, 31, 93, 279, 307, 921, 2763, 9517, 28551, 85653, 247873, 743619, 2230857, 7684063, 23052189, 69156567, 76097011, 228291033, 684873099, 2359007341, 7077022023, 21231066069]

約数ペア:

[(1, 21231066069), (3, 7077022023), (9, 2359007341), (31, 684873099), (93, 228291033), (279, 76097011), (307, 69156567), (921, 23052189), (2763, 7684063), (9517, 2230857), (28551, 743619), (85653, 247873)]