21800004

素因数分解:

$2^2\times 3^1\times {\mathrm{1063}}^1\times {\mathrm{1709}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 50944320

約数和(自身を除く): 29144316

約数列:

[1, 2, 3, 4, 6, 12, 1063, 1709, 2126, 3189, 3418, 4252, 5127, 6378, 6836, 10254, 12756, 20508, 1816667, 3633334, 5450001, 7266668, 10900002, 21800004]

約数ペア:

[(1, 21800004), (2, 10900002), (3, 7266668), (4, 5450001), (6, 3633334), (12, 1816667), (1063, 20508), (1709, 12756), (2126, 10254), (3189, 6836), (3418, 6378), (4252, 5127)]