21636121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2083}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 25208064

約数和(自身を除く): 3571943

約数列:

[1, 13, 17, 47, 221, 611, 799, 2083, 10387, 27079, 35411, 97901, 460343, 1272713, 1664317, 21636121]

約数ペア:

[(1, 21636121), (13, 1664317), (17, 1272713), (47, 460343), (221, 97901), (611, 35411), (799, 27079), (2083, 10387)]