21534785

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{941}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 27129600

約数和(自身を除く): 5594815

約数列:

[1, 5, 23, 115, 199, 941, 995, 4577, 4705, 21643, 22885, 108215, 187259, 936295, 4306957, 21534785]

約数ペア:

[(1, 21534785), (5, 4306957), (23, 936295), (115, 187259), (199, 108215), (941, 22885), (995, 21643), (4577, 4705)]