21057923520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7311779}}^1$

素因数の和:7311802

約数の個数: 84

約数和(自身を含む): 72430492680

約数和(自身を除く): 51372569160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7311779, 14623558, 21935337, 29247116, 36558895, 43870674, 58494232, 65806011, 73117790, 87741348, 109676685, 116988464, 131612022, 146235580, 175482696, 219353370, 233976928, 263224044, 292471160, 329030055, 350965392, 438706740, 467953856, 526448088, 584942320, 658060110, 701930784, 877413480, 1052896176, 1169884640, 1316120220, 1403861568, 1754826960, 2105792352, 2339769280, 2632240440, 3509653920, 4211584704, 5264480880, 7019307840, 10528961760, 21057923520]

約数ペア:

[(1, 21057923520), (2, 10528961760), (3, 7019307840), (4, 5264480880), (5, 4211584704), (6, 3509653920), (8, 2632240440), (9, 2339769280), (10, 2105792352), (12, 1754826960), (15, 1403861568), (16, 1316120220), (18, 1169884640), (20, 1052896176), (24, 877413480), (30, 701930784), (32, 658060110), (36, 584942320), (40, 526448088), (45, 467953856), (48, 438706740), (60, 350965392), (64, 329030055), (72, 292471160), (80, 263224044), (90, 233976928), (96, 219353370), (120, 175482696), (144, 146235580), (160, 131612022), (180, 116988464), (192, 109676685), (240, 87741348), (288, 73117790), (320, 65806011), (360, 58494232), (480, 43870674), (576, 36558895), (720, 29247116), (960, 21935337), (1440, 14623558), (2880, 7311779)]