21283966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56909}}^1$

素因数の和:56939

約数の個数: 16

約数和(自身を含む): 36877680

約数和(自身を除く): 15593714

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56909, 113818, 625999, 967453, 1251998, 1934906, 10641983, 21283966]

約数ペア:

[(1, 21283966), (2, 10641983), (11, 1934906), (17, 1251998), (22, 967453), (34, 625999), (187, 113818), (374, 56909)]