21056384

素因数分解:

$2^7\times {\mathrm{164503}}^1$

素因数の和:164517

約数の個数: 16

約数和(自身を含む): 41948520

約数和(自身を除く): 20892136

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 164503, 329006, 658012, 1316024, 2632048, 5264096, 10528192, 21056384]

約数ペア:

[(1, 21056384), (2, 10528192), (4, 5264096), (8, 2632048), (16, 1316024), (32, 658012), (64, 329006), (128, 164503)]