21747069

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{4217}}^1$

素因数の和:4417

約数の個数: 16

約数和(自身を含む): 32394240

約数和(自身を除く): 10647171

約数列:

[1, 3, 9, 27, 191, 573, 1719, 4217, 5157, 12651, 37953, 113859, 805447, 2416341, 7249023, 21747069]

約数ペア:

[(1, 21747069), (3, 7249023), (9, 2416341), (27, 805447), (191, 113859), (573, 37953), (1719, 12651), (4217, 5157)]