21337910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6689}}^1$

素因数の和:6736

約数の個数: 32

約数和(自身を含む): 43351200

約数和(自身を除く): 22013290

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6689, 13378, 33445, 66890, 73579, 147158, 193981, 367895, 387962, 735790, 969905, 1939810, 2133791, 4267582, 10668955, 21337910]

約数ペア:

[(1, 21337910), (2, 10668955), (5, 4267582), (10, 2133791), (11, 1939810), (22, 969905), (29, 735790), (55, 387962), (58, 367895), (110, 193981), (145, 147158), (290, 73579), (319, 66890), (638, 33445), (1595, 13378), (3190, 6689)]