21049083

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1229}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 33387120

約数和(自身を除く): 12338037

約数列:

[1, 3, 9, 11, 33, 99, 173, 519, 1229, 1557, 1903, 3687, 5709, 11061, 13519, 17127, 40557, 121671, 212617, 637851, 1913553, 2338787, 7016361, 21049083]

約数ペア:

[(1, 21049083), (3, 7016361), (9, 2338787), (11, 1913553), (33, 637851), (99, 212617), (173, 121671), (519, 40557), (1229, 17127), (1557, 13519), (1903, 11061), (3687, 5709)]