21645750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 192

約数和(自身を含む): 68290560

約数和(自身を除く): 46644810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 31, 35, 38, 42, 49, 50, 57, 62, 70, 75, 93, 95, 98, 105, 114, 125, 133, 147, 150, 155, 175, 186, 190, 210, 217, 245, 250, 266, 285, 294, 310, 350, 375, 399, 434, 465, 475, 490, 525, 570, 589, 651, 665, 735, 750, 775, 798, 875, 930, 931, 950, 1050, 1085, 1178, 1225, 1302, 1330, 1425, 1470, 1519, 1550, 1750, 1767, 1862, 1995, 2170, 2325, 2375, 2450, 2625, 2793, 2850, 2945, 3038, 3255, 3325, 3534, 3675, 3875, 3990, 4123, 4557, 4650, 4655, 4750, 5250, 5425, 5586, 5890, 6125, 6510, 6650, 7125, 7350, 7595, 7750, 8246, 8835, 9114, 9310, 9975, 10850, 11625, 12250, 12369, 13965, 14250, 14725, 15190, 16275, 16625, 17670, 18375, 19950, 20615, 22785, 23250, 23275, 24738, 27125, 27930, 28861, 29450, 32550, 33250, 36750, 37975, 41230, 44175, 45570, 46550, 49875, 54250, 57722, 61845, 69825, 73625, 75950, 81375, 86583, 88350, 99750, 103075, 113925, 116375, 123690, 139650, 144305, 147250, 162750, 173166, 189875, 206150, 220875, 227850, 232750, 288610, 309225, 349125, 379750, 432915, 441750, 515375, 569625, 618450, 698250, 721525, 865830, 1030750, 1139250, 1443050, 1546125, 2164575, 3092250, 3607625, 4329150, 7215250, 10822875, 21645750]

約数ペア:

[(1, 21645750), (2, 10822875), (3, 7215250), (5, 4329150), (6, 3607625), (7, 3092250), (10, 2164575), (14, 1546125), (15, 1443050), (19, 1139250), (21, 1030750), (25, 865830), (30, 721525), (31, 698250), (35, 618450), (38, 569625), (42, 515375), (49, 441750), (50, 432915), (57, 379750), (62, 349125), (70, 309225), (75, 288610), (93, 232750), (95, 227850), (98, 220875), (105, 206150), (114, 189875), (125, 173166), (133, 162750), (147, 147250), (150, 144305), (155, 139650), (175, 123690), (186, 116375), (190, 113925), (210, 103075), (217, 99750), (245, 88350), (250, 86583), (266, 81375), (285, 75950), (294, 73625), (310, 69825), (350, 61845), (375, 57722), (399, 54250), (434, 49875), (465, 46550), (475, 45570), (490, 44175), (525, 41230), (570, 37975), (589, 36750), (651, 33250), (665, 32550), (735, 29450), (750, 28861), (775, 27930), (798, 27125), (875, 24738), (930, 23275), (931, 23250), (950, 22785), (1050, 20615), (1085, 19950), (1178, 18375), (1225, 17670), (1302, 16625), (1330, 16275), (1425, 15190), (1470, 14725), (1519, 14250), (1550, 13965), (1750, 12369), (1767, 12250), (1862, 11625), (1995, 10850), (2170, 9975), (2325, 9310), (2375, 9114), (2450, 8835), (2625, 8246), (2793, 7750), (2850, 7595), (2945, 7350), (3038, 7125), (3255, 6650), (3325, 6510), (3534, 6125), (3675, 5890), (3875, 5586), (3990, 5425), (4123, 5250), (4557, 4750), (4650, 4655)]