21241371591

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{685493}}^1$

素因数の和:685823

約数の個数: 24

約数和(自身を含む): 33578238096

約数和(自身を除く): 12336866505

約数列:

[1, 3, 9, 11, 33, 99, 313, 939, 2817, 3443, 10329, 30987, 685493, 2056479, 6169437, 7540423, 22621269, 67863807, 214559309, 643677927, 1931033781, 2360152399, 7080457197, 21241371591]

約数ペア:

[(1, 21241371591), (3, 7080457197), (9, 2360152399), (11, 1931033781), (33, 643677927), (99, 214559309), (313, 67863807), (939, 22621269), (2817, 7540423), (3443, 6169437), (10329, 2056479), (30987, 685493)]