21742938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34140582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 97, 126, 189, 194, 291, 378, 582, 593, 679, 873, 1186, 1358, 1746, 1779, 2037, 2619, 3558, 4074, 4151, 5238, 5337, 6111, 8302, 10674, 12222, 12453, 16011, 18333, 24906, 32022, 36666, 37359, 57521, 74718, 112077, 115042, 172563, 224154, 345126, 402647, 517689, 805294, 1035378, 1207941, 1553067, 2415882, 3106134, 3623823, 7247646, 10871469, 21742938]

約数ペア:

[(1, 21742938), (2, 10871469), (3, 7247646), (6, 3623823), (7, 3106134), (9, 2415882), (14, 1553067), (18, 1207941), (21, 1035378), (27, 805294), (42, 517689), (54, 402647), (63, 345126), (97, 224154), (126, 172563), (189, 115042), (194, 112077), (291, 74718), (378, 57521), (582, 37359), (593, 36666), (679, 32022), (873, 24906), (1186, 18333), (1358, 16011), (1746, 12453), (1779, 12222), (2037, 10674), (2619, 8302), (3558, 6111), (4074, 5337), (4151, 5238)]