21718494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1889

約数の個数: 48

約数和(自身を含む): 54364128

約数和(自身を除く): 32645634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1746, 1777, 2037, 3554, 4074, 5331, 6111, 10662, 12222, 12439, 15993, 24878, 31986, 37317, 74634, 111951, 172369, 223902, 344738, 517107, 1034214, 1206583, 1551321, 2413166, 3102642, 3619749, 7239498, 10859247, 21718494]

約数ペア:

[(1, 21718494), (2, 10859247), (3, 7239498), (6, 3619749), (7, 3102642), (9, 2413166), (14, 1551321), (18, 1206583), (21, 1034214), (42, 517107), (63, 344738), (97, 223902), (126, 172369), (194, 111951), (291, 74634), (582, 37317), (679, 31986), (873, 24878), (1358, 15993), (1746, 12439), (1777, 12222), (2037, 10662), (3554, 6111), (4074, 5331)]