21743337

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 37452800

約数和(自身を除く): 15709463

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 121, 129, 199, 231, 301, 363, 473, 597, 847, 903, 1393, 1419, 2189, 2541, 3311, 4179, 5203, 6567, 8557, 9933, 15323, 15609, 24079, 25671, 36421, 45969, 59899, 72237, 94127, 109263, 168553, 179697, 282381, 505659, 658889, 1035397, 1976667, 3106191, 7247779, 21743337]

約数ペア:

[(1, 21743337), (3, 7247779), (7, 3106191), (11, 1976667), (21, 1035397), (33, 658889), (43, 505659), (77, 282381), (121, 179697), (129, 168553), (199, 109263), (231, 94127), (301, 72237), (363, 59899), (473, 45969), (597, 36421), (847, 25671), (903, 24079), (1393, 15609), (1419, 15323), (2189, 9933), (2541, 8557), (3311, 6567), (4179, 5203)]