21571800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 67592400

約数和(自身を除く): 46020600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 157, 200, 229, 300, 314, 458, 471, 600, 628, 687, 785, 916, 942, 1145, 1256, 1374, 1570, 1832, 1884, 2290, 2355, 2748, 3140, 3435, 3768, 3925, 4580, 4710, 5496, 5725, 6280, 6870, 7850, 9160, 9420, 11450, 11775, 13740, 15700, 17175, 18840, 22900, 23550, 27480, 31400, 34350, 35953, 45800, 47100, 68700, 71906, 94200, 107859, 137400, 143812, 179765, 215718, 287624, 359530, 431436, 539295, 719060, 862872, 898825, 1078590, 1438120, 1797650, 2157180, 2696475, 3595300, 4314360, 5392950, 7190600, 10785900, 21571800]

約数ペア:

[(1, 21571800), (2, 10785900), (3, 7190600), (4, 5392950), (5, 4314360), (6, 3595300), (8, 2696475), (10, 2157180), (12, 1797650), (15, 1438120), (20, 1078590), (24, 898825), (25, 862872), (30, 719060), (40, 539295), (50, 431436), (60, 359530), (75, 287624), (100, 215718), (120, 179765), (150, 143812), (157, 137400), (200, 107859), (229, 94200), (300, 71906), (314, 68700), (458, 47100), (471, 45800), (600, 35953), (628, 34350), (687, 31400), (785, 27480), (916, 23550), (942, 22900), (1145, 18840), (1256, 17175), (1374, 15700), (1570, 13740), (1832, 11775), (1884, 11450), (2290, 9420), (2355, 9160), (2748, 7850), (3140, 6870), (3435, 6280), (3768, 5725), (3925, 5496), (4580, 4710)]