21516352

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2387

約数の個数: 56

約数和(自身を含む): 50182272

約数和(自身を除く): 28665920

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2288, 2351, 4576, 4702, 9152, 9404, 18808, 25861, 30563, 37616, 51722, 61126, 75232, 103444, 122252, 150464, 206888, 244504, 336193, 413776, 489008, 672386, 827552, 978016, 1344772, 1655104, 1956032, 2689544, 5379088, 10758176, 21516352]

約数ペア:

[(1, 21516352), (2, 10758176), (4, 5379088), (8, 2689544), (11, 1956032), (13, 1655104), (16, 1344772), (22, 978016), (26, 827552), (32, 672386), (44, 489008), (52, 413776), (64, 336193), (88, 244504), (104, 206888), (143, 150464), (176, 122252), (208, 103444), (286, 75232), (352, 61126), (416, 51722), (572, 37616), (704, 30563), (832, 25861), (1144, 18808), (2288, 9404), (2351, 9152), (4576, 4702)]