21761956

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5501}}^1$

素因数の和:5571

約数の個数: 24

約数和(自身を含む): 40670784

約数和(自身を除く): 18908828

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5501, 11002, 22004, 126523, 236543, 253046, 473086, 506092, 946172, 5440489, 10880978, 21761956]

約数ペア:

[(1, 21761956), (2, 10880978), (4, 5440489), (23, 946172), (43, 506092), (46, 473086), (86, 253046), (92, 236543), (172, 126523), (989, 22004), (1978, 11002), (3956, 5501)]