21555490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11527}}^1$

素因数の和:11562

約数の個数: 32

約数和(自身を含む): 44820864

約数和(自身を除く): 23265374

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11527, 23054, 57635, 115270, 126797, 195959, 253594, 391918, 633985, 979795, 1267970, 1959590, 2155549, 4311098, 10777745, 21555490]

約数ペア:

[(1, 21555490), (2, 10777745), (5, 4311098), (10, 2155549), (11, 1959590), (17, 1267970), (22, 979795), (34, 633985), (55, 391918), (85, 253594), (110, 195959), (170, 126797), (187, 115270), (374, 57635), (935, 23054), (1870, 11527)]