21169556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{743}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18202924

約数列:

[1, 2, 4, 17, 34, 68, 419, 743, 838, 1486, 1676, 2972, 7123, 12631, 14246, 25262, 28492, 50524, 311317, 622634, 1245268, 5292389, 10584778, 21169556]

約数ペア:

[(1, 21169556), (2, 10584778), (4, 5292389), (17, 1245268), (34, 622634), (68, 311317), (419, 50524), (743, 28492), (838, 25262), (1486, 14246), (1676, 12631), (2972, 7123)]