21778114

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 33471360

約数和(自身を除く): 11693246

約数列:

[1, 2, 71, 103, 142, 206, 1489, 2978, 7313, 14626, 105719, 153367, 211438, 306734, 10889057, 21778114]

約数ペア:

[(1, 21778114), (2, 10889057), (71, 306734), (103, 211438), (142, 153367), (206, 105719), (1489, 14626), (2978, 7313)]