21819000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1070

約数の個数: 128

約数和(自身を含む): 77875200

約数和(自身を除く): 56056200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1039, 1050, 1400, 1500, 1750, 2078, 2100, 2625, 3000, 3117, 3500, 4156, 4200, 5195, 5250, 6234, 7000, 7273, 8312, 10390, 10500, 12468, 14546, 15585, 20780, 21000, 21819, 24936, 25975, 29092, 31170, 36365, 41560, 43638, 51950, 58184, 62340, 72730, 77925, 87276, 103900, 109095, 124680, 129875, 145460, 155850, 174552, 181825, 207800, 218190, 259750, 290920, 311700, 363650, 389625, 436380, 519500, 545475, 623400, 727300, 779250, 872760, 909125, 1039000, 1090950, 1454600, 1558500, 1818250, 2181900, 2727375, 3117000, 3636500, 4363800, 5454750, 7273000, 10909500, 21819000]

約数ペア:

[(1, 21819000), (2, 10909500), (3, 7273000), (4, 5454750), (5, 4363800), (6, 3636500), (7, 3117000), (8, 2727375), (10, 2181900), (12, 1818250), (14, 1558500), (15, 1454600), (20, 1090950), (21, 1039000), (24, 909125), (25, 872760), (28, 779250), (30, 727300), (35, 623400), (40, 545475), (42, 519500), (50, 436380), (56, 389625), (60, 363650), (70, 311700), (75, 290920), (84, 259750), (100, 218190), (105, 207800), (120, 181825), (125, 174552), (140, 155850), (150, 145460), (168, 129875), (175, 124680), (200, 109095), (210, 103900), (250, 87276), (280, 77925), (300, 72730), (350, 62340), (375, 58184), (420, 51950), (500, 43638), (525, 41560), (600, 36365), (700, 31170), (750, 29092), (840, 25975), (875, 24936), (1000, 21819), (1039, 21000), (1050, 20780), (1400, 15585), (1500, 14546), (1750, 12468), (2078, 10500), (2100, 10390), (2625, 8312), (3000, 7273), (3117, 7000), (3500, 6234), (4156, 5250), (4200, 5195)]