21367500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 240

約数和(自身を含む): 79774464

約数和(自身を除く): 58406964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 37, 42, 44, 50, 55, 60, 66, 70, 74, 75, 77, 84, 100, 105, 110, 111, 125, 132, 140, 148, 150, 154, 165, 175, 185, 210, 220, 222, 231, 250, 259, 275, 300, 308, 330, 350, 370, 375, 385, 407, 420, 444, 462, 500, 518, 525, 550, 555, 625, 660, 700, 740, 750, 770, 777, 814, 825, 875, 924, 925, 1036, 1050, 1100, 1110, 1155, 1221, 1250, 1295, 1375, 1500, 1540, 1554, 1628, 1650, 1750, 1850, 1875, 1925, 2035, 2100, 2220, 2310, 2442, 2500, 2590, 2625, 2750, 2775, 2849, 3108, 3300, 3500, 3700, 3750, 3850, 3885, 4070, 4125, 4375, 4620, 4625, 4884, 5180, 5250, 5500, 5550, 5698, 5775, 6105, 6475, 6875, 7500, 7700, 7770, 8140, 8250, 8547, 8750, 9250, 9625, 10175, 10500, 11100, 11396, 11550, 12210, 12950, 13125, 13750, 13875, 14245, 15540, 16500, 17094, 17500, 18500, 19250, 19425, 20350, 20625, 23100, 23125, 24420, 25900, 26250, 27500, 27750, 28490, 28875, 30525, 32375, 34188, 38500, 38850, 40700, 41250, 42735, 46250, 48125, 50875, 52500, 55500, 56980, 57750, 61050, 64750, 69375, 71225, 77700, 82500, 85470, 92500, 96250, 97125, 101750, 115500, 122100, 129500, 138750, 142450, 144375, 152625, 161875, 170940, 192500, 194250, 203500, 213675, 254375, 277500, 284900, 288750, 305250, 323750, 356125, 388500, 427350, 485625, 508750, 577500, 610500, 647500, 712250, 763125, 854700, 971250, 1017500, 1068375, 1424500, 1526250, 1780625, 1942500, 2136750, 3052500, 3561250, 4273500, 5341875, 7122500, 10683750, 21367500]

約数ペア:

[(1, 21367500), (2, 10683750), (3, 7122500), (4, 5341875), (5, 4273500), (6, 3561250), (7, 3052500), (10, 2136750), (11, 1942500), (12, 1780625), (14, 1526250), (15, 1424500), (20, 1068375), (21, 1017500), (22, 971250), (25, 854700), (28, 763125), (30, 712250), (33, 647500), (35, 610500), (37, 577500), (42, 508750), (44, 485625), (50, 427350), (55, 388500), (60, 356125), (66, 323750), (70, 305250), (74, 288750), (75, 284900), (77, 277500), (84, 254375), (100, 213675), (105, 203500), (110, 194250), (111, 192500), (125, 170940), (132, 161875), (140, 152625), (148, 144375), (150, 142450), (154, 138750), (165, 129500), (175, 122100), (185, 115500), (210, 101750), (220, 97125), (222, 96250), (231, 92500), (250, 85470), (259, 82500), (275, 77700), (300, 71225), (308, 69375), (330, 64750), (350, 61050), (370, 57750), (375, 56980), (385, 55500), (407, 52500), (420, 50875), (444, 48125), (462, 46250), (500, 42735), (518, 41250), (525, 40700), (550, 38850), (555, 38500), (625, 34188), (660, 32375), (700, 30525), (740, 28875), (750, 28490), (770, 27750), (777, 27500), (814, 26250), (825, 25900), (875, 24420), (924, 23125), (925, 23100), (1036, 20625), (1050, 20350), (1100, 19425), (1110, 19250), (1155, 18500), (1221, 17500), (1250, 17094), (1295, 16500), (1375, 15540), (1500, 14245), (1540, 13875), (1554, 13750), (1628, 13125), (1650, 12950), (1750, 12210), (1850, 11550), (1875, 11396), (1925, 11100), (2035, 10500), (2100, 10175), (2220, 9625), (2310, 9250), (2442, 8750), (2500, 8547), (2590, 8250), (2625, 8140), (2750, 7770), (2775, 7700), (2849, 7500), (3108, 6875), (3300, 6475), (3500, 6105), (3700, 5775), (3750, 5698), (3850, 5550), (3885, 5500), (4070, 5250), (4125, 5180), (4375, 4884), (4620, 4625)]