21280656

素因数分解:

$2^4\times 3^1\times {\mathrm{443347}}^1$

素因数の和:443358

約数の個数: 20

約数和(自身を含む): 54975152

約数和(自身を除く): 33694496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443347, 886694, 1330041, 1773388, 2660082, 3546776, 5320164, 7093552, 10640328, 21280656]

約数ペア:

[(1, 21280656), (2, 10640328), (3, 7093552), (4, 5320164), (6, 3546776), (8, 2660082), (12, 1773388), (16, 1330041), (24, 886694), (48, 443347)]