21520512175

素因数分解:

$5^2\times {\mathrm{179}}^1\times {\mathrm{2179}}^1\times {\mathrm{2207}}^1$

素因数の和:4575

約数の個数: 24

約数和(自身を含む): 26858995200

約数和(自身を除く): 5338483025

約数列:

[1, 5, 25, 179, 895, 2179, 2207, 4475, 10895, 11035, 54475, 55175, 390041, 395053, 1950205, 1975265, 4809053, 9751025, 9876325, 24045265, 120226325, 860820487, 4304102435, 21520512175]

約数ペア:

[(1, 21520512175), (5, 4304102435), (25, 860820487), (179, 120226325), (895, 24045265), (2179, 9876325), (2207, 9751025), (4475, 4809053), (10895, 1975265), (11035, 1950205), (54475, 395053), (55175, 390041)]