21406824

素因数分解:

$2^3\times 3^2\times {\mathrm{297317}}^1$

素因数の和:297329

約数の個数: 24

約数和(自身を含む): 57977010

約数和(自身を除く): 36570186

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297317, 594634, 891951, 1189268, 1783902, 2378536, 2675853, 3567804, 5351706, 7135608, 10703412, 21406824]

約数ペア:

[(1, 21406824), (2, 10703412), (3, 7135608), (4, 5351706), (6, 3567804), (8, 2675853), (9, 2378536), (12, 1783902), (18, 1189268), (24, 891951), (36, 594634), (72, 297317)]