21000663456

素因数分解:

$2^5\times 3^1\times {\mathrm{218756911}}^1$

素因数の和:218756924

約数の個数: 24

約数和(自身を含む): 55126741824

約数和(自身を除く): 34126078368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 218756911, 437513822, 656270733, 875027644, 1312541466, 1750055288, 2625082932, 3500110576, 5250165864, 7000221152, 10500331728, 21000663456]

約数ペア:

[(1, 21000663456), (2, 10500331728), (3, 7000221152), (4, 5250165864), (6, 3500110576), (8, 2625082932), (12, 1750055288), (16, 1312541466), (24, 875027644), (32, 656270733), (48, 437513822), (96, 218756911)]