21137400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11743}}^1$

素因数の和:11765

約数の個数: 72

約数和(自身を含む): 70992480

約数和(自身を除く): 49855080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11743, 23486, 35229, 46972, 58715, 70458, 93944, 105687, 117430, 140916, 176145, 211374, 234860, 281832, 293575, 352290, 422748, 469720, 528435, 587150, 704580, 845496, 880725, 1056870, 1174300, 1409160, 1761450, 2113740, 2348600, 2642175, 3522900, 4227480, 5284350, 7045800, 10568700, 21137400]

約数ペア:

[(1, 21137400), (2, 10568700), (3, 7045800), (4, 5284350), (5, 4227480), (6, 3522900), (8, 2642175), (9, 2348600), (10, 2113740), (12, 1761450), (15, 1409160), (18, 1174300), (20, 1056870), (24, 880725), (25, 845496), (30, 704580), (36, 587150), (40, 528435), (45, 469720), (50, 422748), (60, 352290), (72, 293575), (75, 281832), (90, 234860), (100, 211374), (120, 176145), (150, 140916), (180, 117430), (200, 105687), (225, 93944), (300, 70458), (360, 58715), (450, 46972), (600, 35229), (900, 23486), (1800, 11743)]