21747824

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:993

約数の個数: 40

約数和(自身を含む): 48398688

約数和(自身を除く): 26650864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 701, 1108, 1402, 1939, 2216, 2804, 3878, 4432, 4907, 5608, 7756, 9814, 11216, 15512, 19628, 31024, 39256, 78512, 194177, 388354, 776708, 1359239, 1553416, 2718478, 3106832, 5436956, 10873912, 21747824]

約数ペア:

[(1, 21747824), (2, 10873912), (4, 5436956), (7, 3106832), (8, 2718478), (14, 1553416), (16, 1359239), (28, 776708), (56, 388354), (112, 194177), (277, 78512), (554, 39256), (701, 31024), (1108, 19628), (1402, 15512), (1939, 11216), (2216, 9814), (2804, 7756), (3878, 5608), (4432, 4907)]