21231000

素因数分解:

$2^3\times 3^2\times 5^3\times 7^1\times {\mathrm{337}}^1$

素因数の和:371

約数の個数: 192

約数和(自身を含む): 82255680

約数和(自身を除く): 61024680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 140, 150, 168, 175, 180, 200, 210, 225, 250, 252, 280, 300, 315, 337, 350, 360, 375, 420, 450, 500, 504, 525, 600, 630, 674, 700, 750, 840, 875, 900, 1000, 1011, 1050, 1125, 1260, 1348, 1400, 1500, 1575, 1685, 1750, 1800, 2022, 2100, 2250, 2359, 2520, 2625, 2696, 3000, 3033, 3150, 3370, 3500, 4044, 4200, 4500, 4718, 5055, 5250, 6066, 6300, 6740, 7000, 7077, 7875, 8088, 8425, 9000, 9436, 10110, 10500, 11795, 12132, 12600, 13480, 14154, 15165, 15750, 16850, 18872, 20220, 21000, 21231, 23590, 24264, 25275, 28308, 30330, 31500, 33700, 35385, 40440, 42125, 42462, 47180, 50550, 56616, 58975, 60660, 63000, 67400, 70770, 75825, 84250, 84924, 94360, 101100, 106155, 117950, 121320, 126375, 141540, 151650, 168500, 169848, 176925, 202200, 212310, 235900, 252750, 283080, 294875, 303300, 337000, 353850, 379125, 424620, 471800, 505500, 530775, 589750, 606600, 707700, 758250, 849240, 884625, 1011000, 1061550, 1179500, 1415400, 1516500, 1769250, 2123100, 2359000, 2653875, 3033000, 3538500, 4246200, 5307750, 7077000, 10615500, 21231000]

約数ペア:

[(1, 21231000), (2, 10615500), (3, 7077000), (4, 5307750), (5, 4246200), (6, 3538500), (7, 3033000), (8, 2653875), (9, 2359000), (10, 2123100), (12, 1769250), (14, 1516500), (15, 1415400), (18, 1179500), (20, 1061550), (21, 1011000), (24, 884625), (25, 849240), (28, 758250), (30, 707700), (35, 606600), (36, 589750), (40, 530775), (42, 505500), (45, 471800), (50, 424620), (56, 379125), (60, 353850), (63, 337000), (70, 303300), (72, 294875), (75, 283080), (84, 252750), (90, 235900), (100, 212310), (105, 202200), (120, 176925), (125, 169848), (126, 168500), (140, 151650), (150, 141540), (168, 126375), (175, 121320), (180, 117950), (200, 106155), (210, 101100), (225, 94360), (250, 84924), (252, 84250), (280, 75825), (300, 70770), (315, 67400), (337, 63000), (350, 60660), (360, 58975), (375, 56616), (420, 50550), (450, 47180), (500, 42462), (504, 42125), (525, 40440), (600, 35385), (630, 33700), (674, 31500), (700, 30330), (750, 28308), (840, 25275), (875, 24264), (900, 23590), (1000, 21231), (1011, 21000), (1050, 20220), (1125, 18872), (1260, 16850), (1348, 15750), (1400, 15165), (1500, 14154), (1575, 13480), (1685, 12600), (1750, 12132), (1800, 11795), (2022, 10500), (2100, 10110), (2250, 9436), (2359, 9000), (2520, 8425), (2625, 8088), (2696, 7875), (3000, 7077), (3033, 7000), (3150, 6740), (3370, 6300), (3500, 6066), (4044, 5250), (4200, 5055), (4500, 4718)]