21619655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5081}}^1$

素因数の和:5146

約数の個数: 16

約数和(自身を含む): 27808704

約数和(自身を除く): 6189049

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 5081, 25405, 116863, 187997, 584315, 939985, 4323931, 21619655]

約数ペア:

[(1, 21619655), (5, 4323931), (23, 939985), (37, 584315), (115, 187997), (185, 116863), (851, 25405), (4255, 5081)]