21488808

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3539}}^1$

素因数の和:3582

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 39682392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 44, 46, 66, 69, 88, 92, 132, 138, 184, 253, 264, 276, 506, 552, 759, 1012, 1518, 2024, 3036, 3539, 6072, 7078, 10617, 14156, 21234, 28312, 38929, 42468, 77858, 81397, 84936, 116787, 155716, 162794, 233574, 244191, 311432, 325588, 467148, 488382, 651176, 895367, 934296, 976764, 1790734, 1953528, 2686101, 3581468, 5372202, 7162936, 10744404, 21488808]

約数ペア:

[(1, 21488808), (2, 10744404), (3, 7162936), (4, 5372202), (6, 3581468), (8, 2686101), (11, 1953528), (12, 1790734), (22, 976764), (23, 934296), (24, 895367), (33, 651176), (44, 488382), (46, 467148), (66, 325588), (69, 311432), (88, 244191), (92, 233574), (132, 162794), (138, 155716), (184, 116787), (253, 84936), (264, 81397), (276, 77858), (506, 42468), (552, 38929), (759, 28312), (1012, 21234), (1518, 14156), (2024, 10617), (3036, 7078), (3539, 6072)]