21743975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 30222768

約数和(自身を除く): 8478793

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 2137, 10175, 10685, 23507, 53425, 79069, 117535, 395345, 587675, 869759, 1976725, 4348795, 21743975]

約数ペア:

[(1, 21743975), (5, 4348795), (11, 1976725), (25, 869759), (37, 587675), (55, 395345), (185, 117535), (275, 79069), (407, 53425), (925, 23507), (2035, 10685), (2137, 10175)]