21043212

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3610

約数の個数: 48

約数和(自身を含む): 53796960

約数和(自身を除く): 32753748

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 348, 493, 986, 1479, 1972, 2958, 3557, 5916, 7114, 10671, 14228, 21342, 42684, 60469, 103153, 120938, 181407, 206306, 241876, 309459, 362814, 412612, 618918, 725628, 1237836, 1753601, 3507202, 5260803, 7014404, 10521606, 21043212]

約数ペア:

[(1, 21043212), (2, 10521606), (3, 7014404), (4, 5260803), (6, 3507202), (12, 1753601), (17, 1237836), (29, 725628), (34, 618918), (51, 412612), (58, 362814), (68, 309459), (87, 241876), (102, 206306), (116, 181407), (174, 120938), (204, 103153), (348, 60469), (493, 42684), (986, 21342), (1479, 14228), (1972, 10671), (2958, 7114), (3557, 5916)]