21391134

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209717}}^1$

素因数の和:209739

約数の個数: 16

約数和(自身を含む): 45299088

約数和(自身を除く): 23907954

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209717, 419434, 629151, 1258302, 3565189, 7130378, 10695567, 21391134]

約数ペア:

[(1, 21391134), (2, 10695567), (3, 7130378), (6, 3565189), (17, 1258302), (34, 629151), (51, 419434), (102, 209717)]