21212004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160697}}^1$

素因数の和:160715

約数の個数: 24

約数和(自身を含む): 53994528

約数和(自身を除く): 32782524

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160697, 321394, 482091, 642788, 964182, 1767667, 1928364, 3535334, 5303001, 7070668, 10606002, 21212004]

約数ペア:

[(1, 21212004), (2, 10606002), (3, 7070668), (4, 5303001), (6, 3535334), (11, 1928364), (12, 1767667), (22, 964182), (33, 642788), (44, 482091), (66, 321394), (132, 160697)]