21442051

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 1885949

約数列:

[1, 19, 53, 107, 199, 1007, 2033, 3781, 5671, 10547, 21293, 107749, 200393, 404567, 1128529, 21442051]

約数ペア:

[(1, 21442051), (19, 1128529), (53, 404567), (107, 200393), (199, 107749), (1007, 21293), (2033, 10547), (3781, 5671)]