21806176

素因数分解:

$2^5\times 7^2\times {\mathrm{13907}}^1$

素因数の和:13931

約数の個数: 36

約数和(自身を含む): 49943628

約数和(自身を除く): 28137452

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13907, 27814, 55628, 97349, 111256, 194698, 222512, 389396, 445024, 681443, 778792, 1362886, 1557584, 2725772, 3115168, 5451544, 10903088, 21806176]

約数ペア:

[(1, 21806176), (2, 10903088), (4, 5451544), (7, 3115168), (8, 2725772), (14, 1557584), (16, 1362886), (28, 778792), (32, 681443), (49, 445024), (56, 389396), (98, 222512), (112, 194698), (196, 111256), (224, 97349), (392, 55628), (784, 27814), (1568, 13907)]