21897447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{51043}}^1$

素因数の和:51070

約数の個数: 16

約数和(自身を含む): 34301568

約数和(自身を除く): 12404121

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 51043, 153129, 561473, 663559, 1684419, 1990677, 7299149, 21897447]

約数ペア:

[(1, 21897447), (3, 7299149), (11, 1990677), (13, 1684419), (33, 663559), (39, 561473), (143, 153129), (429, 51043)]