21779844

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42209}}^1$

素因数の和:42259

約数の個数: 24

約数和(自身を含む): 52002720

約数和(自身を除く): 30222876

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42209, 84418, 126627, 168836, 253254, 506508, 1814987, 3629974, 5444961, 7259948, 10889922, 21779844]

約数ペア:

[(1, 21779844), (2, 10889922), (3, 7259948), (4, 5444961), (6, 3629974), (12, 1814987), (43, 506508), (86, 253254), (129, 168836), (172, 126627), (258, 84418), (516, 42209)]