21477224

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21139}}^1$

素因数の和:21272

約数の個数: 16

約数和(自身を含む): 40588800

約数和(自身を除く): 19111576

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21139, 42278, 84556, 169112, 2684653, 5369306, 10738612, 21477224]

約数ペア:

[(1, 21477224), (2, 10738612), (4, 5369306), (8, 2684653), (127, 169112), (254, 84556), (508, 42278), (1016, 21139)]