21586576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122651}}^1$

素因数の和:122670

約数の個数: 20

約数和(自身を含む): 45626544

約数和(自身を除く): 24039968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122651, 245302, 490604, 981208, 1349161, 1962416, 2698322, 5396644, 10793288, 21586576]

約数ペア:

[(1, 21586576), (2, 10793288), (4, 5396644), (8, 2698322), (11, 1962416), (16, 1349161), (22, 981208), (44, 490604), (88, 245302), (176, 122651)]