21605824

素因数分解:

$2^6\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1220

約数の個数: 28

約数和(自身を含む): 43027600

約数和(自身を除く): 21421776

約数列:

[1, 2, 4, 8, 16, 32, 64, 439, 769, 878, 1538, 1756, 3076, 3512, 6152, 7024, 12304, 14048, 24608, 28096, 49216, 337591, 675182, 1350364, 2700728, 5401456, 10802912, 21605824]

約数ペア:

[(1, 21605824), (2, 10802912), (4, 5401456), (8, 2700728), (16, 1350364), (32, 675182), (64, 337591), (439, 49216), (769, 28096), (878, 24608), (1538, 14048), (1756, 12304), (3076, 7024), (3512, 6152)]