21090900108

素因数分解:

$2^2\times 3^1\times {\mathrm{1757575009}}^1$

素因数の和:1757575016

約数の個数: 12

約数和(自身を含む): 49212100280

約数和(自身を除く): 28121200172

約数列:

[1, 2, 3, 4, 6, 12, 1757575009, 3515150018, 5272725027, 7030300036, 10545450054, 21090900108]

約数ペア:

[(1, 21090900108), (2, 10545450054), (3, 7030300036), (4, 5272725027), (6, 3515150018), (12, 1757575009)]