21299270

素因数分解:

$2^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4919}}^1$

素因数の和:5359

約数の個数: 16

約数和(自身を含む): 38435040

約数和(自身を除く): 17135770

約数列:

[1, 2, 5, 10, 433, 866, 2165, 4330, 4919, 9838, 24595, 49190, 2129927, 4259854, 10649635, 21299270]

約数ペア:

[(1, 21299270), (2, 10649635), (5, 4259854), (10, 2129927), (433, 49190), (866, 24595), (2165, 9838), (4330, 4919)]