21852531

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47609}}^1$

素因数の和:47635

約数の個数: 16

約数和(自身を含む): 34279200

約数和(自身を除く): 12426669

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47609, 142827, 428481, 809353, 1285443, 2428059, 7284177, 21852531]

約数ペア:

[(1, 21852531), (3, 7284177), (9, 2428059), (17, 1285443), (27, 809353), (51, 428481), (153, 142827), (459, 47609)]