21879672

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 34729608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 103, 106, 159, 167, 206, 212, 309, 318, 334, 412, 424, 501, 618, 636, 668, 824, 1002, 1236, 1272, 1336, 2004, 2472, 4008, 5459, 8851, 10918, 16377, 17201, 17702, 21836, 26553, 32754, 34402, 35404, 43672, 51603, 53106, 65508, 68804, 70808, 103206, 106212, 131016, 137608, 206412, 212424, 412824, 911653, 1823306, 2734959, 3646612, 5469918, 7293224, 10939836, 21879672]

約数ペア:

[(1, 21879672), (2, 10939836), (3, 7293224), (4, 5469918), (6, 3646612), (8, 2734959), (12, 1823306), (24, 911653), (53, 412824), (103, 212424), (106, 206412), (159, 137608), (167, 131016), (206, 106212), (212, 103206), (309, 70808), (318, 68804), (334, 65508), (412, 53106), (424, 51603), (501, 43672), (618, 35404), (636, 34402), (668, 32754), (824, 26553), (1002, 21836), (1236, 17702), (1272, 17201), (1336, 16377), (2004, 10918), (2472, 8851), (4008, 5459)]