21108992

素因数分解:

$2^8\times {\mathrm{82457}}^1$

素因数の和:82473

約数の個数: 18

約数和(自身を含む): 42136038

約数和(自身を除く): 21027046

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82457, 164914, 329828, 659656, 1319312, 2638624, 5277248, 10554496, 21108992]

約数ペア:

[(1, 21108992), (2, 10554496), (4, 5277248), (8, 2638624), (16, 1319312), (32, 659656), (64, 329828), (128, 164914), (256, 82457)]