21205052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28349}}^1$

素因数の和:28381

約数の個数: 24

約数和(自身を含む): 42865200

約数和(自身を除く): 21660148

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28349, 56698, 113396, 311839, 481933, 623678, 963866, 1247356, 1927732, 5301263, 10602526, 21205052]

約数ペア:

[(1, 21205052), (2, 10602526), (4, 5301263), (11, 1927732), (17, 1247356), (22, 963866), (34, 623678), (44, 481933), (68, 311839), (187, 113396), (374, 56698), (748, 28349)]