21730360

素因数分解:

$2^3\times 5^1\times {\mathrm{543259}}^1$

素因数の和:543270

約数の個数: 16

約数和(自身を含む): 48893400

約数和(自身を除く): 27163040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543259, 1086518, 2173036, 2716295, 4346072, 5432590, 10865180, 21730360]

約数ペア:

[(1, 21730360), (2, 10865180), (4, 5432590), (5, 4346072), (8, 2716295), (10, 2173036), (20, 1086518), (40, 543259)]