21171804

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33289}}^1$

素因数の和:33349

約数の個数: 24

約数和(自身を含む): 50334480

約数和(自身を除く): 29162676

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33289, 66578, 99867, 133156, 199734, 399468, 1764317, 3528634, 5292951, 7057268, 10585902, 21171804]

約数ペア:

[(1, 21171804), (2, 10585902), (3, 7057268), (4, 5292951), (6, 3528634), (12, 1764317), (53, 399468), (106, 199734), (159, 133156), (212, 99867), (318, 66578), (636, 33289)]