21802500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 78724800

約数和(自身を除く): 56922300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 25, 27, 30, 34, 36, 38, 45, 50, 51, 54, 57, 60, 68, 75, 76, 85, 90, 95, 100, 102, 108, 114, 125, 135, 150, 153, 170, 171, 180, 190, 204, 225, 228, 250, 255, 270, 285, 300, 306, 323, 340, 342, 375, 380, 425, 450, 459, 475, 500, 510, 513, 540, 570, 612, 625, 646, 675, 684, 750, 765, 850, 855, 900, 918, 950, 969, 1020, 1026, 1125, 1140, 1250, 1275, 1292, 1350, 1425, 1500, 1530, 1615, 1700, 1710, 1836, 1875, 1900, 1938, 2052, 2125, 2250, 2295, 2375, 2500, 2550, 2565, 2700, 2850, 2907, 3060, 3230, 3375, 3420, 3750, 3825, 3876, 4250, 4275, 4500, 4590, 4750, 4845, 5100, 5130, 5625, 5700, 5814, 6375, 6460, 6750, 7125, 7500, 7650, 8075, 8500, 8550, 8721, 9180, 9500, 9690, 10260, 10625, 11250, 11475, 11628, 11875, 12750, 12825, 13500, 14250, 14535, 15300, 16150, 16875, 17100, 17442, 19125, 19380, 21250, 21375, 22500, 22950, 23750, 24225, 25500, 25650, 28500, 29070, 31875, 32300, 33750, 34884, 35625, 38250, 40375, 42500, 42750, 43605, 45900, 47500, 48450, 51300, 57375, 58140, 63750, 64125, 67500, 71250, 72675, 76500, 80750, 85500, 87210, 95625, 96900, 106875, 114750, 121125, 127500, 128250, 142500, 145350, 161500, 174420, 191250, 201875, 213750, 218025, 229500, 242250, 256500, 286875, 290700, 320625, 363375, 382500, 403750, 427500, 436050, 484500, 573750, 605625, 641250, 726750, 807500, 872100, 1090125, 1147500, 1211250, 1282500, 1453500, 1816875, 2180250, 2422500, 3633750, 4360500, 5450625, 7267500, 10901250, 21802500]

約数ペア:

[(1, 21802500), (2, 10901250), (3, 7267500), (4, 5450625), (5, 4360500), (6, 3633750), (9, 2422500), (10, 2180250), (12, 1816875), (15, 1453500), (17, 1282500), (18, 1211250), (19, 1147500), (20, 1090125), (25, 872100), (27, 807500), (30, 726750), (34, 641250), (36, 605625), (38, 573750), (45, 484500), (50, 436050), (51, 427500), (54, 403750), (57, 382500), (60, 363375), (68, 320625), (75, 290700), (76, 286875), (85, 256500), (90, 242250), (95, 229500), (100, 218025), (102, 213750), (108, 201875), (114, 191250), (125, 174420), (135, 161500), (150, 145350), (153, 142500), (170, 128250), (171, 127500), (180, 121125), (190, 114750), (204, 106875), (225, 96900), (228, 95625), (250, 87210), (255, 85500), (270, 80750), (285, 76500), (300, 72675), (306, 71250), (323, 67500), (340, 64125), (342, 63750), (375, 58140), (380, 57375), (425, 51300), (450, 48450), (459, 47500), (475, 45900), (500, 43605), (510, 42750), (513, 42500), (540, 40375), (570, 38250), (612, 35625), (625, 34884), (646, 33750), (675, 32300), (684, 31875), (750, 29070), (765, 28500), (850, 25650), (855, 25500), (900, 24225), (918, 23750), (950, 22950), (969, 22500), (1020, 21375), (1026, 21250), (1125, 19380), (1140, 19125), (1250, 17442), (1275, 17100), (1292, 16875), (1350, 16150), (1425, 15300), (1500, 14535), (1530, 14250), (1615, 13500), (1700, 12825), (1710, 12750), (1836, 11875), (1875, 11628), (1900, 11475), (1938, 11250), (2052, 10625), (2125, 10260), (2250, 9690), (2295, 9500), (2375, 9180), (2500, 8721), (2550, 8550), (2565, 8500), (2700, 8075), (2850, 7650), (2907, 7500), (3060, 7125), (3230, 6750), (3375, 6460), (3420, 6375), (3750, 5814), (3825, 5700), (3876, 5625), (4250, 5130), (4275, 5100), (4500, 4845), (4590, 4750)]