21349376

素因数分解:

$2^{10}\times {\mathrm{20849}}^1$

素因数の和:20869

約数の個数: 22

約数和(自身を含む): 42679950

約数和(自身を除く): 21330574

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20849, 41698, 83396, 166792, 333584, 667168, 1334336, 2668672, 5337344, 10674688, 21349376]

約数ペア:

[(1, 21349376), (2, 10674688), (4, 5337344), (8, 2668672), (16, 1334336), (32, 667168), (64, 333584), (128, 166792), (256, 83396), (512, 41698), (1024, 20849)]