21878248

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10559}}^1$

素因数の和:10609

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 26275352

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10559, 21118, 42236, 73913, 84472, 147826, 295652, 390683, 591304, 781366, 1562732, 2734781, 3125464, 5469562, 10939124, 21878248]

約数ペア:

[(1, 21878248), (2, 10939124), (4, 5469562), (7, 3125464), (8, 2734781), (14, 1562732), (28, 781366), (37, 591304), (56, 390683), (74, 295652), (148, 147826), (259, 84472), (296, 73913), (518, 42236), (1036, 21118), (2072, 10559)]