21654808

素因数分解:

$2^3\times 7^1\times {\mathrm{386693}}^1$

素因数の和:386706

約数の個数: 16

約数和(自身を含む): 46403280

約数和(自身を除く): 24748472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 386693, 773386, 1546772, 2706851, 3093544, 5413702, 10827404, 21654808]

約数ペア:

[(1, 21654808), (2, 10827404), (4, 5413702), (7, 3093544), (8, 2706851), (14, 1546772), (28, 773386), (56, 386693)]