21115500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{2011}}^1$

素因数の和:2040

約数の個数: 96

約数和(自身を含む): 70307328

約数和(自身を除く): 49191828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 2011, 2100, 2625, 3500, 4022, 5250, 6033, 8044, 10055, 10500, 12066, 14077, 20110, 24132, 28154, 30165, 40220, 42231, 50275, 56308, 60330, 70385, 84462, 100550, 120660, 140770, 150825, 168924, 201100, 211155, 251375, 281540, 301650, 351925, 422310, 502750, 603300, 703850, 754125, 844620, 1005500, 1055775, 1407700, 1508250, 1759625, 2111550, 3016500, 3519250, 4223100, 5278875, 7038500, 10557750, 21115500]

約数ペア:

[(1, 21115500), (2, 10557750), (3, 7038500), (4, 5278875), (5, 4223100), (6, 3519250), (7, 3016500), (10, 2111550), (12, 1759625), (14, 1508250), (15, 1407700), (20, 1055775), (21, 1005500), (25, 844620), (28, 754125), (30, 703850), (35, 603300), (42, 502750), (50, 422310), (60, 351925), (70, 301650), (75, 281540), (84, 251375), (100, 211155), (105, 201100), (125, 168924), (140, 150825), (150, 140770), (175, 120660), (210, 100550), (250, 84462), (300, 70385), (350, 60330), (375, 56308), (420, 50275), (500, 42231), (525, 40220), (700, 30165), (750, 28154), (875, 24132), (1050, 20110), (1500, 14077), (1750, 12066), (2011, 10500), (2100, 10055), (2625, 8044), (3500, 6033), (4022, 5250)]