21778812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 61501440

約数和(自身を除く): 39722628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1279, 1419, 1548, 1892, 2558, 2838, 3837, 4257, 5116, 5676, 7674, 8514, 11511, 14069, 15348, 17028, 23022, 28138, 42207, 46044, 54997, 56276, 84414, 109994, 126621, 164991, 168828, 219988, 253242, 329982, 494973, 506484, 604967, 659964, 989946, 1209934, 1814901, 1979892, 2419868, 3629802, 5444703, 7259604, 10889406, 21778812]

約数ペア:

[(1, 21778812), (2, 10889406), (3, 7259604), (4, 5444703), (6, 3629802), (9, 2419868), (11, 1979892), (12, 1814901), (18, 1209934), (22, 989946), (33, 659964), (36, 604967), (43, 506484), (44, 494973), (66, 329982), (86, 253242), (99, 219988), (129, 168828), (132, 164991), (172, 126621), (198, 109994), (258, 84414), (387, 56276), (396, 54997), (473, 46044), (516, 42207), (774, 28138), (946, 23022), (1279, 17028), (1419, 15348), (1548, 14069), (1892, 11511), (2558, 8514), (2838, 7674), (3837, 5676), (4257, 5116)]