21363128

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24499}}^1$

素因数の和:24614

約数の個数: 16

約数和(自身を含む): 40425000

約数和(自身を除く): 19061872

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24499, 48998, 97996, 195992, 2670391, 5340782, 10681564, 21363128]

約数ペア:

[(1, 21363128), (2, 10681564), (4, 5340782), (8, 2670391), (109, 195992), (218, 97996), (436, 48998), (872, 24499)]