21550712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4889}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 44010000

約数和(自身を除く): 22459288

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4889, 9778, 19556, 39112, 92891, 141781, 185782, 283562, 371564, 567124, 743128, 1134248, 2693839, 5387678, 10775356, 21550712]

約数ペア:

[(1, 21550712), (2, 10775356), (4, 5387678), (8, 2693839), (19, 1134248), (29, 743128), (38, 567124), (58, 371564), (76, 283562), (116, 185782), (152, 141781), (232, 92891), (551, 39112), (1102, 19556), (2204, 9778), (4408, 4889)]