21617408

素因数分解:

$2^8\times {\mathrm{84443}}^1$

素因数の和:84459

約数の個数: 18

約数和(自身を含む): 43150884

約数和(自身を除く): 21533476

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84443, 168886, 337772, 675544, 1351088, 2702176, 5404352, 10808704, 21617408]

約数ペア:

[(1, 21617408), (2, 10808704), (4, 5404352), (8, 2702176), (16, 1351088), (32, 675544), (64, 337772), (128, 168886), (256, 84443)]