21370800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1619}}^1$

素因数の和:1651

約数の個数: 120

約数和(自身を含む): 74727360

約数和(自身を除く): 53356560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1619, 1650, 2200, 2640, 3238, 3300, 4400, 4857, 6476, 6600, 8095, 9714, 12952, 13200, 16190, 17809, 19428, 24285, 25904, 32380, 35618, 38856, 40475, 48570, 53427, 64760, 71236, 77712, 80950, 89045, 97140, 106854, 121425, 129520, 142472, 161900, 178090, 194280, 213708, 242850, 267135, 284944, 323800, 356180, 388560, 427416, 445225, 485700, 534270, 647600, 712360, 854832, 890450, 971400, 1068540, 1335675, 1424720, 1780900, 1942800, 2137080, 2671350, 3561800, 4274160, 5342700, 7123600, 10685400, 21370800]

約数ペア:

[(1, 21370800), (2, 10685400), (3, 7123600), (4, 5342700), (5, 4274160), (6, 3561800), (8, 2671350), (10, 2137080), (11, 1942800), (12, 1780900), (15, 1424720), (16, 1335675), (20, 1068540), (22, 971400), (24, 890450), (25, 854832), (30, 712360), (33, 647600), (40, 534270), (44, 485700), (48, 445225), (50, 427416), (55, 388560), (60, 356180), (66, 323800), (75, 284944), (80, 267135), (88, 242850), (100, 213708), (110, 194280), (120, 178090), (132, 161900), (150, 142472), (165, 129520), (176, 121425), (200, 106854), (220, 97140), (240, 89045), (264, 80950), (275, 77712), (300, 71236), (330, 64760), (400, 53427), (440, 48570), (528, 40475), (550, 38856), (600, 35618), (660, 32380), (825, 25904), (880, 24285), (1100, 19428), (1200, 17809), (1320, 16190), (1619, 13200), (1650, 12952), (2200, 9714), (2640, 8095), (3238, 6600), (3300, 6476), (4400, 4857)]