21904384

素因数分解:

$2^{10}\times {\mathrm{21391}}^1$

素因数の和:21411

約数の個数: 22

約数和(自身を含む): 43789424

約数和(自身を除く): 21885040

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 21391, 42782, 85564, 171128, 342256, 684512, 1369024, 2738048, 5476096, 10952192, 21904384]

約数ペア:

[(1, 21904384), (2, 10952192), (4, 5476096), (8, 2738048), (16, 1369024), (32, 684512), (64, 342256), (128, 171128), (256, 85564), (512, 42782), (1024, 21391)]