21304756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1093}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 40801824

約数和(自身を除く): 19497068

約数列:

[1, 2, 4, 11, 22, 44, 443, 886, 1093, 1772, 2186, 4372, 4873, 9746, 12023, 19492, 24046, 48092, 484199, 968398, 1936796, 5326189, 10652378, 21304756]

約数ペア:

[(1, 21304756), (2, 10652378), (4, 5326189), (11, 1936796), (22, 968398), (44, 484199), (443, 48092), (886, 24046), (1093, 19492), (1772, 12023), (2186, 9746), (4372, 4873)]