21252152

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50123}}^1$

素因数の和:50182

約数の個数: 16

約数和(自身を含む): 40600440

約数和(自身を除く): 19348288

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50123, 100246, 200492, 400984, 2656519, 5313038, 10626076, 21252152]

約数ペア:

[(1, 21252152), (2, 10626076), (4, 5313038), (8, 2656519), (53, 400984), (106, 200492), (212, 100246), (424, 50123)]