21839454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 59404800

約数和(自身を除く): 37565346

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 67, 78, 91, 117, 126, 134, 182, 199, 201, 234, 273, 398, 402, 469, 546, 597, 603, 819, 871, 938, 1194, 1206, 1393, 1407, 1638, 1742, 1791, 2587, 2613, 2786, 2814, 3582, 4179, 4221, 5174, 5226, 6097, 7761, 7839, 8358, 8442, 12194, 12537, 13333, 15522, 15678, 18109, 18291, 23283, 25074, 26666, 36218, 36582, 39999, 46566, 54327, 54873, 79998, 93331, 108654, 109746, 119997, 162981, 173329, 186662, 239994, 279993, 325962, 346658, 519987, 559986, 839979, 1039974, 1213303, 1559961, 1679958, 2426606, 3119922, 3639909, 7279818, 10919727, 21839454]

約数ペア:

[(1, 21839454), (2, 10919727), (3, 7279818), (6, 3639909), (7, 3119922), (9, 2426606), (13, 1679958), (14, 1559961), (18, 1213303), (21, 1039974), (26, 839979), (39, 559986), (42, 519987), (63, 346658), (67, 325962), (78, 279993), (91, 239994), (117, 186662), (126, 173329), (134, 162981), (182, 119997), (199, 109746), (201, 108654), (234, 93331), (273, 79998), (398, 54873), (402, 54327), (469, 46566), (546, 39999), (597, 36582), (603, 36218), (819, 26666), (871, 25074), (938, 23283), (1194, 18291), (1206, 18109), (1393, 15678), (1407, 15522), (1638, 13333), (1742, 12537), (1791, 12194), (2587, 8442), (2613, 8358), (2786, 7839), (2814, 7761), (3582, 6097), (4179, 5226), (4221, 5174)]