21805863

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16633}}^1$

素因数の和:16678

約数の個数: 16

約数和(自身を含む): 31937280

約数和(自身を除く): 10131417

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16633, 49899, 316027, 382559, 948081, 1147677, 7268621, 21805863]

約数ペア:

[(1, 21805863), (3, 7268621), (19, 1147677), (23, 948081), (57, 382559), (69, 316027), (437, 49899), (1311, 16633)]