21808953

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{4229}}^1$

素因数の和:4429

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 10677447

約数列:

[1, 3, 9, 27, 191, 573, 1719, 4229, 5157, 12687, 38061, 114183, 807739, 2423217, 7269651, 21808953]

約数ペア:

[(1, 21808953), (3, 7269651), (9, 2423217), (27, 807739), (191, 114183), (573, 38061), (1719, 12687), (4229, 5157)]