21342856

素因数分解:

$2^3\times {\mathrm{919}}^1\times {\mathrm{2903}}^1$

素因数の和:3828

約数の個数: 16

約数和(自身を含む): 40075200

約数和(自身を除く): 18732344

約数列:

[1, 2, 4, 8, 919, 1838, 2903, 3676, 5806, 7352, 11612, 23224, 2667857, 5335714, 10671428, 21342856]

約数ペア:

[(1, 21342856), (2, 10671428), (4, 5335714), (8, 2667857), (919, 23224), (1838, 11612), (2903, 7352), (3676, 5806)]