13281438

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{21491}}^1$

素因数の和:21599

約数の個数: 16

約数和(自身を含む): 26822016

約数和(自身を除く): 13540578

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 21491, 42982, 64473, 128946, 2213573, 4427146, 6640719, 13281438]

約数ペア:

[(1, 13281438), (2, 6640719), (3, 4427146), (6, 2213573), (103, 128946), (206, 64473), (309, 42982), (618, 21491)]