21506816

素因数分解:

$2^8\times {\mathrm{84011}}^1$

素因数の和:84027

約数の個数: 18

約数和(自身を含む): 42930132

約数和(自身を除く): 21423316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84011, 168022, 336044, 672088, 1344176, 2688352, 5376704, 10753408, 21506816]

約数ペア:

[(1, 21506816), (2, 10753408), (4, 5376704), (8, 2688352), (16, 1344176), (32, 672088), (64, 336044), (128, 168022), (256, 84011)]