21943413

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47807}}^1$

素因数の和:47833

約数の個数: 16

約数和(自身を含む): 34421760

約数和(自身を除く): 12478347

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47807, 143421, 430263, 812719, 1290789, 2438157, 7314471, 21943413]

約数ペア:

[(1, 21943413), (3, 7314471), (9, 2438157), (17, 1290789), (27, 812719), (51, 430263), (153, 143421), (459, 47807)]