21680508

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{106277}}^1$

素因数の和:106301

約数の個数: 24

約数和(自身を含む): 53564112

約数和(自身を除く): 31883604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 106277, 212554, 318831, 425108, 637662, 1275324, 1806709, 3613418, 5420127, 7226836, 10840254, 21680508]

約数ペア:

[(1, 21680508), (2, 10840254), (3, 7226836), (4, 5420127), (6, 3613418), (12, 1806709), (17, 1275324), (34, 637662), (51, 425108), (68, 318831), (102, 212554), (204, 106277)]