21491604

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{35117}}^1$

素因数の和:35144

約数の個数: 36

約数和(自身を含む): 57523284

約数和(自身を除く): 36031680

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 35117, 70234, 105351, 140468, 210702, 316053, 421404, 596989, 632106, 1193978, 1264212, 1790967, 2387956, 3581934, 5372901, 7163868, 10745802, 21491604]

約数ペア:

[(1, 21491604), (2, 10745802), (3, 7163868), (4, 5372901), (6, 3581934), (9, 2387956), (12, 1790967), (17, 1264212), (18, 1193978), (34, 632106), (36, 596989), (51, 421404), (68, 316053), (102, 210702), (153, 140468), (204, 105351), (306, 70234), (612, 35117)]