21171836

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3331}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 42542976

約数和(自身を除く): 21371140

約数列:

[1, 2, 4, 7, 14, 28, 227, 454, 908, 1589, 3178, 3331, 6356, 6662, 13324, 23317, 46634, 93268, 756137, 1512274, 3024548, 5292959, 10585918, 21171836]

約数ペア:

[(1, 21171836), (2, 10585918), (4, 5292959), (7, 3024548), (14, 1512274), (28, 756137), (227, 93268), (454, 46634), (908, 23317), (1589, 13324), (3178, 6662), (3331, 6356)]