21046959

素因数分解:

$3^6\times {\mathrm{28871}}^1$

素因数の和:28889

約数の個数: 14

約数和(自身を含む): 31557096

約数和(自身を除く): 10510137

約数列:

[1, 3, 9, 27, 81, 243, 729, 28871, 86613, 259839, 779517, 2338551, 7015653, 21046959]

約数ペア:

[(1, 21046959), (3, 7015653), (9, 2338551), (27, 779517), (81, 259839), (243, 86613), (729, 28871)]