21690032

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14897}}^1$

素因数の和:14925

約数の個数: 40

約数和(自身を含む): 51725856

約数和(自身を除く): 30035824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14897, 29794, 59588, 104279, 119176, 193661, 208558, 238352, 387322, 417116, 774644, 834232, 1355627, 1549288, 1668464, 2711254, 3098576, 5422508, 10845016, 21690032]

約数ペア:

[(1, 21690032), (2, 10845016), (4, 5422508), (7, 3098576), (8, 2711254), (13, 1668464), (14, 1549288), (16, 1355627), (26, 834232), (28, 774644), (52, 417116), (56, 387322), (91, 238352), (104, 208558), (112, 193661), (182, 119176), (208, 104279), (364, 59588), (728, 29794), (1456, 14897)]