2021020540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1312351}}^1$

素因数の和:1312378

約数の個数: 48

約数和(自身を含む): 5291403264

約数和(自身を除く): 3270382724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1312351, 2624702, 5249404, 6561755, 9186457, 13123510, 14435861, 18372914, 26247020, 28871722, 36745828, 45932285, 57743444, 72179305, 91864570, 101051027, 144358610, 183729140, 202102054, 288717220, 404204108, 505255135, 1010510270, 2021020540]

約数ペア:

[(1, 2021020540), (2, 1010510270), (4, 505255135), (5, 404204108), (7, 288717220), (10, 202102054), (11, 183729140), (14, 144358610), (20, 101051027), (22, 91864570), (28, 72179305), (35, 57743444), (44, 45932285), (55, 36745828), (70, 28871722), (77, 26247020), (110, 18372914), (140, 14435861), (154, 13123510), (220, 9186457), (308, 6561755), (385, 5249404), (770, 2624702), (1540, 1312351)]