21109124

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1153}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 38774400

約数和(自身を除く): 17665276

約数列:

[1, 2, 4, 23, 46, 92, 199, 398, 796, 1153, 2306, 4577, 4612, 9154, 18308, 26519, 53038, 106076, 229447, 458894, 917788, 5277281, 10554562, 21109124]

約数ペア:

[(1, 21109124), (2, 10554562), (4, 5277281), (23, 917788), (46, 458894), (92, 229447), (199, 106076), (398, 53038), (796, 26519), (1153, 18308), (2306, 9154), (4577, 4612)]