21752451

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1789}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 36115040

約数和(自身を除く): 14362589

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 1789, 4053, 5367, 12159, 12523, 16101, 37569, 112707, 345277, 1035831, 2416939, 3107493, 7250817, 21752451]

約数ペア:

[(1, 21752451), (3, 7250817), (7, 3107493), (9, 2416939), (21, 1035831), (63, 345277), (193, 112707), (579, 37569), (1351, 16101), (1737, 12523), (1789, 12159), (4053, 5367)]