21288333

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8837}}^1$

素因数の和:8924

約数の個数: 16

約数和(自身を含む): 31392576

約数和(自身を除く): 10104243

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8837, 26511, 97207, 291621, 645101, 1935303, 7096111, 21288333]

約数ペア:

[(1, 21288333), (3, 7096111), (11, 1935303), (33, 645101), (73, 291621), (219, 97207), (803, 26511), (2409, 8837)]