21080494039

素因数分解:

${\mathrm{11}}^2\times {\mathrm{809}}^1\times {\mathrm{215351}}^1$

素因数の和:216182

約数の個数: 12

約数和(自身を含む): 23199870960

約数和(自身を除く): 2119376921

約数列:

[1, 11, 121, 809, 8899, 97889, 215351, 2368861, 26057471, 174218959, 1916408549, 21080494039]

約数ペア:

[(1, 21080494039), (11, 1916408549), (121, 174218959), (809, 26057471), (8899, 2368861), (97889, 215351)]