21075404

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6661}}^1$

素因数の和:6785

約数の個数: 24

約数和(自身を含む): 42530208

約数和(自身を除く): 21454804

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6661, 13322, 26644, 46627, 93254, 186508, 752693, 1505386, 3010772, 5268851, 10537702, 21075404]

約数ペア:

[(1, 21075404), (2, 10537702), (4, 5268851), (7, 3010772), (14, 1505386), (28, 752693), (113, 186508), (226, 93254), (452, 46627), (791, 26644), (1582, 13322), (3164, 6661)]