21920934

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74561}}^1$

素因数の和:74580

約数の個数: 24

約数和(自身を含む): 51000408

約数和(自身を除く): 29079474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74561, 149122, 223683, 447366, 521927, 1043854, 1565781, 3131562, 3653489, 7306978, 10960467, 21920934]

約数ペア:

[(1, 21920934), (2, 10960467), (3, 7306978), (6, 3653489), (7, 3131562), (14, 1565781), (21, 1043854), (42, 521927), (49, 447366), (98, 223683), (147, 149122), (294, 74561)]