21542576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122401}}^1$

素因数の和:122420

約数の個数: 20

約数和(自身を含む): 45533544

約数和(自身を除く): 23990968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122401, 244802, 489604, 979208, 1346411, 1958416, 2692822, 5385644, 10771288, 21542576]

約数ペア:

[(1, 21542576), (2, 10771288), (4, 5385644), (8, 2692822), (11, 1958416), (16, 1346411), (22, 979208), (44, 489604), (88, 244802), (176, 122401)]