21094448

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4159}}^1$

素因数の和:4484

約数の個数: 20

約数和(自身を含む): 41009280

約数和(自身を除く): 19914832

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4159, 5072, 8318, 16636, 33272, 66544, 1318403, 2636806, 5273612, 10547224, 21094448]

約数ペア:

[(1, 21094448), (2, 10547224), (4, 5273612), (8, 2636806), (16, 1318403), (317, 66544), (634, 33272), (1268, 16636), (2536, 8318), (4159, 5072)]