21431522

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7541}}^1$

素因数の和:7586

約数の個数: 24

約数和(自身を含む): 38690460

約数和(自身を除く): 17258938

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7541, 15082, 52787, 105574, 218689, 369509, 437378, 739018, 1530823, 3061646, 10715761, 21431522]

約数ペア:

[(1, 21431522), (2, 10715761), (7, 3061646), (14, 1530823), (29, 739018), (49, 437378), (58, 369509), (98, 218689), (203, 105574), (406, 52787), (1421, 15082), (2842, 7541)]