21940646

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4157}}^1$

素因数の和:4208

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 19971994

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 4157, 5278, 8314, 29099, 54041, 58198, 108082, 120553, 241106, 378287, 756574, 843871, 1567189, 1687742, 3134378, 10970323, 21940646]

約数ペア:

[(1, 21940646), (2, 10970323), (7, 3134378), (13, 1687742), (14, 1567189), (26, 843871), (29, 756574), (58, 378287), (91, 241106), (182, 120553), (203, 108082), (377, 58198), (406, 54041), (754, 29099), (2639, 8314), (4157, 5278)]