21195300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10093}}^1$

素因数の和:10117

約数の個数: 72

約数和(自身を含む): 70092736

約数和(自身を除く): 48897436

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, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10093, 20186, 30279, 40372, 50465, 60558, 70651, 100930, 121116, 141302, 151395, 201860, 211953, 252325, 282604, 302790, 353255, 423906, 504650, 605580, 706510, 756975, 847812, 1009300, 1059765, 1413020, 1513950, 1766275, 2119530, 3027900, 3532550, 4239060, 5298825, 7065100, 10597650, 21195300]

約数ペア:

[(1, 21195300), (2, 10597650), (3, 7065100), (4, 5298825), (5, 4239060), (6, 3532550), (7, 3027900), (10, 2119530), (12, 1766275), (14, 1513950), (15, 1413020), (20, 1059765), (21, 1009300), (25, 847812), (28, 756975), (30, 706510), (35, 605580), (42, 504650), (50, 423906), (60, 353255), (70, 302790), (75, 282604), (84, 252325), (100, 211953), (105, 201860), (140, 151395), (150, 141302), (175, 121116), (210, 100930), (300, 70651), (350, 60558), (420, 50465), (525, 40372), (700, 30279), (1050, 20186), (2100, 10093)]