21375694

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9887}}^1$

素因数の和:9959

約数の個数: 16

約数和(自身を含む): 34172928

約数和(自身を除く): 12797234

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9887, 19774, 227401, 454802, 464689, 929378, 10687847, 21375694]

約数ペア:

[(1, 21375694), (2, 10687847), (23, 929378), (46, 464689), (47, 454802), (94, 227401), (1081, 19774), (2162, 9887)]