21684584

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{117851}}^1$

素因数の和:117880

約数の個数: 16

約数和(自身を含む): 42426720

約数和(自身を除く): 20742136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 117851, 235702, 471404, 942808, 2710573, 5421146, 10842292, 21684584]

約数ペア:

[(1, 21684584), (2, 10842292), (4, 5421146), (8, 2710573), (23, 942808), (46, 471404), (92, 235702), (184, 117851)]