21064168

素因数分解:

$2^3\times {\mathrm{907}}^1\times {\mathrm{2903}}^1$

素因数の和:3816

約数の個数: 16

約数和(自身を含む): 39552480

約数和(自身を除く): 18488312

約数列:

[1, 2, 4, 8, 907, 1814, 2903, 3628, 5806, 7256, 11612, 23224, 2633021, 5266042, 10532084, 21064168]

約数ペア:

[(1, 21064168), (2, 10532084), (4, 5266042), (8, 2633021), (907, 23224), (1814, 11612), (2903, 7256), (3628, 5806)]