21937296

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 37308912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 71, 82, 123, 142, 157, 164, 213, 246, 284, 314, 328, 426, 471, 492, 568, 628, 656, 852, 942, 984, 1136, 1256, 1704, 1884, 1968, 2512, 2911, 3408, 3768, 5822, 6437, 7536, 8733, 11147, 11644, 12874, 17466, 19311, 22294, 23288, 25748, 33441, 34932, 38622, 44588, 46576, 51496, 66882, 69864, 77244, 89176, 102992, 133764, 139728, 154488, 178352, 267528, 308976, 457027, 535056, 914054, 1371081, 1828108, 2742162, 3656216, 5484324, 7312432, 10968648, 21937296]

約数ペア:

[(1, 21937296), (2, 10968648), (3, 7312432), (4, 5484324), (6, 3656216), (8, 2742162), (12, 1828108), (16, 1371081), (24, 914054), (41, 535056), (48, 457027), (71, 308976), (82, 267528), (123, 178352), (142, 154488), (157, 139728), (164, 133764), (213, 102992), (246, 89176), (284, 77244), (314, 69864), (328, 66882), (426, 51496), (471, 46576), (492, 44588), (568, 38622), (628, 34932), (656, 33441), (852, 25748), (942, 23288), (984, 22294), (1136, 19311), (1256, 17466), (1704, 12874), (1884, 11644), (1968, 11147), (2512, 8733), (2911, 7536), (3408, 6437), (3768, 5822)]