21305008

素因数分解:

$2^4\times {\mathrm{757}}^1\times {\mathrm{1759}}^1$

素因数の和:2524

約数の個数: 20

約数和(自身を含む): 41356480

約数和(自身を除く): 20051472

約数列:

[1, 2, 4, 8, 16, 757, 1514, 1759, 3028, 3518, 6056, 7036, 12112, 14072, 28144, 1331563, 2663126, 5326252, 10652504, 21305008]

約数ペア:

[(1, 21305008), (2, 10652504), (4, 5326252), (8, 2663126), (16, 1331563), (757, 28144), (1514, 14072), (1759, 12112), (3028, 7036), (3518, 6056)]