12921008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{27847}}^1$

素因数の和:27884

約数の個数: 20

約数和(自身を含む): 25898640

約数和(自身を除く): 12977632

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 27847, 55694, 111388, 222776, 445552, 807563, 1615126, 3230252, 6460504, 12921008]

約数ペア:

[(1, 12921008), (2, 6460504), (4, 3230252), (8, 1615126), (16, 807563), (29, 445552), (58, 222776), (116, 111388), (232, 55694), (464, 27847)]