21193074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 56070144

約数和(自身を除く): 34877070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 71, 103, 126, 138, 142, 161, 206, 207, 213, 309, 322, 414, 426, 483, 497, 618, 639, 721, 927, 966, 994, 1278, 1442, 1449, 1491, 1633, 1854, 2163, 2369, 2898, 2982, 3266, 4326, 4473, 4738, 4899, 6489, 7107, 7313, 8946, 9798, 11431, 12978, 14214, 14626, 14697, 16583, 21321, 21939, 22862, 29394, 33166, 34293, 42642, 43878, 49749, 51191, 65817, 68586, 99498, 102382, 102879, 131634, 149247, 153573, 168199, 205758, 298494, 307146, 336398, 460719, 504597, 921438, 1009194, 1177393, 1513791, 2354786, 3027582, 3532179, 7064358, 10596537, 21193074]

約数ペア:

[(1, 21193074), (2, 10596537), (3, 7064358), (6, 3532179), (7, 3027582), (9, 2354786), (14, 1513791), (18, 1177393), (21, 1009194), (23, 921438), (42, 504597), (46, 460719), (63, 336398), (69, 307146), (71, 298494), (103, 205758), (126, 168199), (138, 153573), (142, 149247), (161, 131634), (206, 102879), (207, 102382), (213, 99498), (309, 68586), (322, 65817), (414, 51191), (426, 49749), (483, 43878), (497, 42642), (618, 34293), (639, 33166), (721, 29394), (927, 22862), (966, 21939), (994, 21321), (1278, 16583), (1442, 14697), (1449, 14626), (1491, 14214), (1633, 12978), (1854, 11431), (2163, 9798), (2369, 8946), (2898, 7313), (2982, 7107), (3266, 6489), (4326, 4899), (4473, 4738)]