21095433

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{49871}}^1$

素因数の和:49924

約数の個数: 12

約数和(自身を含む): 31120128

約数和(自身を除く): 10024695

約数列:

[1, 3, 9, 47, 141, 423, 49871, 149613, 448839, 2343937, 7031811, 21095433]

約数ペア:

[(1, 21095433), (3, 7031811), (9, 2343937), (47, 448839), (141, 149613), (423, 49871)]