21686148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2425

約数の個数: 72

約数和(自身を含む): 62427456

約数和(自身を除く): 40741308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 2381, 3036, 4554, 4762, 7143, 9108, 9524, 14286, 21429, 26191, 28572, 42858, 52382, 54763, 78573, 85716, 104764, 109526, 157146, 164289, 219052, 235719, 314292, 328578, 471438, 492867, 602393, 657156, 942876, 985734, 1204786, 1807179, 1971468, 2409572, 3614358, 5421537, 7228716, 10843074, 21686148]

約数ペア:

[(1, 21686148), (2, 10843074), (3, 7228716), (4, 5421537), (6, 3614358), (9, 2409572), (11, 1971468), (12, 1807179), (18, 1204786), (22, 985734), (23, 942876), (33, 657156), (36, 602393), (44, 492867), (46, 471438), (66, 328578), (69, 314292), (92, 235719), (99, 219052), (132, 164289), (138, 157146), (198, 109526), (207, 104764), (253, 85716), (276, 78573), (396, 54763), (414, 52382), (506, 42858), (759, 28572), (828, 26191), (1012, 21429), (1518, 14286), (2277, 9524), (2381, 9108), (3036, 7143), (4554, 4762)]