21922220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47657}}^1$

素因数の和:47689

約数の個数: 24

約数和(自身を含む): 48039264

約数和(自身を除く): 26117044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47657, 95314, 190628, 238285, 476570, 953140, 1096111, 2192222, 4384444, 5480555, 10961110, 21922220]

約数ペア:

[(1, 21922220), (2, 10961110), (4, 5480555), (5, 4384444), (10, 2192222), (20, 1096111), (23, 953140), (46, 476570), (92, 238285), (115, 190628), (230, 95314), (460, 47657)]