21476784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 43519056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1559, 1722, 1968, 2296, 3118, 3444, 4592, 4677, 6236, 6888, 9354, 10913, 12472, 13776, 18708, 21826, 24944, 32739, 37416, 43652, 63919, 65478, 74832, 87304, 127838, 130956, 174608, 191757, 255676, 261912, 383514, 447433, 511352, 523824, 767028, 894866, 1022704, 1342299, 1534056, 1789732, 2684598, 3068112, 3579464, 5369196, 7158928, 10738392, 21476784]

約数ペア:

[(1, 21476784), (2, 10738392), (3, 7158928), (4, 5369196), (6, 3579464), (7, 3068112), (8, 2684598), (12, 1789732), (14, 1534056), (16, 1342299), (21, 1022704), (24, 894866), (28, 767028), (41, 523824), (42, 511352), (48, 447433), (56, 383514), (82, 261912), (84, 255676), (112, 191757), (123, 174608), (164, 130956), (168, 127838), (246, 87304), (287, 74832), (328, 65478), (336, 63919), (492, 43652), (574, 37416), (656, 32739), (861, 24944), (984, 21826), (1148, 18708), (1559, 13776), (1722, 12472), (1968, 10913), (2296, 9354), (3118, 6888), (3444, 6236), (4592, 4677)]