21183208

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{8353}}^1$

素因数の和:8676

約数の個数: 16

約数和(自身を含む): 39848580

約数和(自身を除く): 18665372

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 8353, 16706, 33412, 66824, 2647901, 5295802, 10591604, 21183208]

約数ペア:

[(1, 21183208), (2, 10591604), (4, 5295802), (8, 2647901), (317, 66824), (634, 33412), (1268, 16706), (2536, 8353)]