21168504

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 66349920

約数和(自身を除く): 45181416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 97, 126, 168, 194, 252, 291, 388, 433, 504, 582, 679, 776, 866, 873, 1164, 1299, 1358, 1732, 1746, 2037, 2328, 2598, 2716, 3031, 3464, 3492, 3897, 4074, 5196, 5432, 6062, 6111, 6984, 7794, 8148, 9093, 10392, 12124, 12222, 15588, 16296, 18186, 24248, 24444, 27279, 31176, 36372, 42001, 48888, 54558, 72744, 84002, 109116, 126003, 168004, 218232, 252006, 294007, 336008, 378009, 504012, 588014, 756018, 882021, 1008024, 1176028, 1512036, 1764042, 2352056, 2646063, 3024072, 3528084, 5292126, 7056168, 10584252, 21168504]

約数ペア:

[(1, 21168504), (2, 10584252), (3, 7056168), (4, 5292126), (6, 3528084), (7, 3024072), (8, 2646063), (9, 2352056), (12, 1764042), (14, 1512036), (18, 1176028), (21, 1008024), (24, 882021), (28, 756018), (36, 588014), (42, 504012), (56, 378009), (63, 336008), (72, 294007), (84, 252006), (97, 218232), (126, 168004), (168, 126003), (194, 109116), (252, 84002), (291, 72744), (388, 54558), (433, 48888), (504, 42001), (582, 36372), (679, 31176), (776, 27279), (866, 24444), (873, 24248), (1164, 18186), (1299, 16296), (1358, 15588), (1732, 12222), (1746, 12124), (2037, 10392), (2328, 9093), (2598, 8148), (2716, 7794), (3031, 6984), (3464, 6111), (3492, 6062), (3897, 5432), (4074, 5196)]