21977307

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3041}}^1$

素因数の和:3131

約数の個数: 24

約数和(自身を含む): 35116848

約数和(自身を除く): 13139541

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 3041, 7227, 9123, 27369, 33451, 100353, 221993, 301059, 665979, 1997937, 2441923, 7325769, 21977307]

約数ペア:

[(1, 21977307), (3, 7325769), (9, 2441923), (11, 1997937), (33, 665979), (73, 301059), (99, 221993), (219, 100353), (657, 33451), (803, 27369), (2409, 9123), (3041, 7227)]