16721908

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5479}}^1$

素因数の和:5599

約数の個数: 24

約数和(自身を含む): 33756800

約数和(自身を除く): 17034892

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 5479, 10958, 21916, 38353, 76706, 153412, 597211, 1194422, 2388844, 4180477, 8360954, 16721908]

約数ペア:

[(1, 16721908), (2, 8360954), (4, 4180477), (7, 2388844), (14, 1194422), (28, 597211), (109, 153412), (218, 76706), (436, 38353), (763, 21916), (1526, 10958), (3052, 5479)]