21785350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10627}}^1$

素因数の和:10680

約数の個数: 24

約数和(自身を含む): 41512968

約数和(自身を除く): 19727618

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10627, 21254, 53135, 106270, 265675, 435707, 531350, 871414, 2178535, 4357070, 10892675, 21785350]

約数ペア:

[(1, 21785350), (2, 10892675), (5, 4357070), (10, 2178535), (25, 871414), (41, 531350), (50, 435707), (82, 265675), (205, 106270), (410, 53135), (1025, 21254), (2050, 10627)]