21162998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5407}}^1$

素因数の和:5531

約数の個数: 16

約数和(自身を含む): 33745920

約数和(自身を除く): 12582922

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5407, 10814, 102733, 205466, 556921, 1113842, 10581499, 21162998]

約数ペア:

[(1, 21162998), (2, 10581499), (19, 1113842), (38, 556921), (103, 205466), (206, 102733), (1957, 10814), (3914, 5407)]