21200854

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5501}}^1$

素因数の和:5591

約数の個数: 16

約数和(自身を含む): 33276096

約数和(自身を除く): 12075242

約数列:

[1, 2, 41, 47, 82, 94, 1927, 3854, 5501, 11002, 225541, 258547, 451082, 517094, 10600427, 21200854]

約数ペア:

[(1, 21200854), (2, 10600427), (41, 517094), (47, 451082), (82, 258547), (94, 225541), (1927, 11002), (3854, 5501)]