21157598

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137387}}^1$

素因数の和:137407

約数の個数: 16

約数和(自身を含む): 39567744

約数和(自身を除く): 18410146

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137387, 274774, 961709, 1511257, 1923418, 3022514, 10578799, 21157598]

約数ペア:

[(1, 21157598), (2, 10578799), (7, 3022514), (11, 1923418), (14, 1511257), (22, 961709), (77, 274774), (154, 137387)]