21337512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 40248408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1187, 1284, 1498, 2247, 2374, 2568, 2996, 3561, 4494, 4748, 5992, 7122, 8309, 8988, 9496, 14244, 16618, 17976, 24927, 28488, 33236, 49854, 66472, 99708, 127009, 199416, 254018, 381027, 508036, 762054, 889063, 1016072, 1524108, 1778126, 2667189, 3048216, 3556252, 5334378, 7112504, 10668756, 21337512]

約数ペア:

[(1, 21337512), (2, 10668756), (3, 7112504), (4, 5334378), (6, 3556252), (7, 3048216), (8, 2667189), (12, 1778126), (14, 1524108), (21, 1016072), (24, 889063), (28, 762054), (42, 508036), (56, 381027), (84, 254018), (107, 199416), (168, 127009), (214, 99708), (321, 66472), (428, 49854), (642, 33236), (749, 28488), (856, 24927), (1187, 17976), (1284, 16618), (1498, 14244), (2247, 9496), (2374, 8988), (2568, 8309), (2996, 7122), (3561, 5992), (4494, 4748)]