21185792

素因数分解:

$2^8\times {\mathrm{82757}}^1$

素因数の和:82773

約数の個数: 18

約数和(自身を含む): 42289338

約数和(自身を除く): 21103546

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82757, 165514, 331028, 662056, 1324112, 2648224, 5296448, 10592896, 21185792]

約数ペア:

[(1, 21185792), (2, 10592896), (4, 5296448), (8, 2648224), (16, 1324112), (32, 662056), (64, 331028), (128, 165514), (256, 82757)]