21074339

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8669}}^1$

素因数の和:8710

約数の個数: 16

約数和(自身を含む): 26218080

約数和(自身を除く): 5143741

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8669, 95359, 112697, 147373, 1239667, 1621103, 1915849, 21074339]

約数ペア:

[(1, 21074339), (11, 1915849), (13, 1621103), (17, 1239667), (143, 147373), (187, 112697), (221, 95359), (2431, 8669)]