21713408

素因数分解:

$2^9\times {\mathrm{42409}}^1$

素因数の和:42427

約数の個数: 20

約数和(自身を含む): 43385430

約数和(自身を除く): 21672022

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42409, 84818, 169636, 339272, 678544, 1357088, 2714176, 5428352, 10856704, 21713408]

約数ペア:

[(1, 21713408), (2, 10856704), (4, 5428352), (8, 2714176), (16, 1357088), (32, 678544), (64, 339272), (128, 169636), (256, 84818), (512, 42409)]