21280536

素因数分解:

$2^3\times 3^3\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1285

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 38594664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 83, 108, 166, 216, 249, 332, 498, 664, 747, 996, 1187, 1494, 1992, 2241, 2374, 2988, 3561, 4482, 4748, 5976, 7122, 8964, 9496, 10683, 14244, 17928, 21366, 28488, 32049, 42732, 64098, 85464, 98521, 128196, 197042, 256392, 295563, 394084, 591126, 788168, 886689, 1182252, 1773378, 2364504, 2660067, 3546756, 5320134, 7093512, 10640268, 21280536]

約数ペア:

[(1, 21280536), (2, 10640268), (3, 7093512), (4, 5320134), (6, 3546756), (8, 2660067), (9, 2364504), (12, 1773378), (18, 1182252), (24, 886689), (27, 788168), (36, 591126), (54, 394084), (72, 295563), (83, 256392), (108, 197042), (166, 128196), (216, 98521), (249, 85464), (332, 64098), (498, 42732), (664, 32049), (747, 28488), (996, 21366), (1187, 17928), (1494, 14244), (1992, 10683), (2241, 9496), (2374, 8964), (2988, 7122), (3561, 5976), (4482, 4748)]