21712384

素因数分解:

$2^9\times {\mathrm{42407}}^1$

素因数の和:42425

約数の個数: 20

約数和(自身を含む): 43383384

約数和(自身を除く): 21671000

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42407, 84814, 169628, 339256, 678512, 1357024, 2714048, 5428096, 10856192, 21712384]

約数ペア:

[(1, 21712384), (2, 10856192), (4, 5428096), (8, 2714048), (16, 1357024), (32, 678512), (64, 339256), (128, 169628), (256, 84814), (512, 42407)]