21992784

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 64710144

約数和(自身を除く): 42717360

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 66, 69, 88, 92, 132, 138, 176, 184, 253, 264, 276, 368, 506, 528, 552, 759, 1012, 1104, 1518, 1811, 2024, 3036, 3622, 4048, 5433, 6072, 7244, 10866, 12144, 14488, 19921, 21732, 28976, 39842, 41653, 43464, 59763, 79684, 83306, 86928, 119526, 124959, 159368, 166612, 239052, 249918, 318736, 333224, 458183, 478104, 499836, 666448, 916366, 956208, 999672, 1374549, 1832732, 1999344, 2749098, 3665464, 5498196, 7330928, 10996392, 21992784]

約数ペア:

[(1, 21992784), (2, 10996392), (3, 7330928), (4, 5498196), (6, 3665464), (8, 2749098), (11, 1999344), (12, 1832732), (16, 1374549), (22, 999672), (23, 956208), (24, 916366), (33, 666448), (44, 499836), (46, 478104), (48, 458183), (66, 333224), (69, 318736), (88, 249918), (92, 239052), (132, 166612), (138, 159368), (176, 124959), (184, 119526), (253, 86928), (264, 83306), (276, 79684), (368, 59763), (506, 43464), (528, 41653), (552, 39842), (759, 28976), (1012, 21732), (1104, 19921), (1518, 14488), (1811, 12144), (2024, 10866), (3036, 7244), (3622, 6072), (4048, 5433)]