21949499

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9029}}^1$

素因数の和:9070

約数の個数: 16

約数和(自身を含む): 27306720

約数和(自身を除く): 5357221

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 9029, 99319, 117377, 153493, 1291147, 1688423, 1995409, 21949499]

約数ペア:

[(1, 21949499), (11, 1995409), (13, 1688423), (17, 1291147), (143, 153493), (187, 117377), (221, 99319), (2431, 9029)]