21030000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{701}}^1$

素因数の和:732

約数の個数: 100

約数和(自身を含む): 67984488

約数和(自身を除く): 46954488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 701, 750, 1000, 1200, 1250, 1402, 1500, 1875, 2000, 2103, 2500, 2804, 3000, 3505, 3750, 4206, 5000, 5608, 6000, 7010, 7500, 8412, 10000, 10515, 11216, 14020, 15000, 16824, 17525, 21030, 28040, 30000, 33648, 35050, 42060, 52575, 56080, 70100, 84120, 87625, 105150, 140200, 168240, 175250, 210300, 262875, 280400, 350500, 420600, 438125, 525750, 701000, 841200, 876250, 1051500, 1314375, 1402000, 1752500, 2103000, 2628750, 3505000, 4206000, 5257500, 7010000, 10515000, 21030000]

約数ペア:

[(1, 21030000), (2, 10515000), (3, 7010000), (4, 5257500), (5, 4206000), (6, 3505000), (8, 2628750), (10, 2103000), (12, 1752500), (15, 1402000), (16, 1314375), (20, 1051500), (24, 876250), (25, 841200), (30, 701000), (40, 525750), (48, 438125), (50, 420600), (60, 350500), (75, 280400), (80, 262875), (100, 210300), (120, 175250), (125, 168240), (150, 140200), (200, 105150), (240, 87625), (250, 84120), (300, 70100), (375, 56080), (400, 52575), (500, 42060), (600, 35050), (625, 33648), (701, 30000), (750, 28040), (1000, 21030), (1200, 17525), (1250, 16824), (1402, 15000), (1500, 14020), (1875, 11216), (2000, 10515), (2103, 10000), (2500, 8412), (2804, 7500), (3000, 7010), (3505, 6000), (3750, 5608), (4206, 5000)]