21082755

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9433}}^1$

素因数の和:9590

約数の個数: 16

約数和(自身を含む): 33962400

約数和(自身を除く): 12879645

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9433, 28299, 47165, 141495, 1405517, 4216551, 7027585, 21082755]

約数ペア:

[(1, 21082755), (3, 7027585), (5, 4216551), (15, 1405517), (149, 141495), (447, 47165), (745, 28299), (2235, 9433)]