21155008

素因数分解:

$2^6\times 7^1\times {\mathrm{47221}}^1$

素因数の和:47240

約数の個数: 28

約数和(自身を含む): 47977552

約数和(自身を除く): 26822544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47221, 94442, 188884, 330547, 377768, 661094, 755536, 1322188, 1511072, 2644376, 3022144, 5288752, 10577504, 21155008]

約数ペア:

[(1, 21155008), (2, 10577504), (4, 5288752), (7, 3022144), (8, 2644376), (14, 1511072), (16, 1322188), (28, 755536), (32, 661094), (56, 377768), (64, 330547), (112, 188884), (224, 94442), (448, 47221)]