21661184

素因数分解:

$2^9\times {\mathrm{42307}}^1$

素因数の和:42325

約数の個数: 20

約数和(自身を含む): 43281084

約数和(自身を除く): 21619900

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42307, 84614, 169228, 338456, 676912, 1353824, 2707648, 5415296, 10830592, 21661184]

約数ペア:

[(1, 21661184), (2, 10830592), (4, 5415296), (8, 2707648), (16, 1353824), (32, 676912), (64, 338456), (128, 169228), (256, 84614), (512, 42307)]