2021085220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1312393}}^1$

素因数の和:1312420

約数の個数: 48

約数和(自身を含む): 5291572608

約数和(自身を除く): 3270487388

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, 1312393, 2624786, 5249572, 6561965, 9186751, 13123930, 14436323, 18373502, 26247860, 28872646, 36747004, 45933755, 57745292, 72181615, 91867510, 101054261, 144363230, 183735020, 202108522, 288726460, 404217044, 505271305, 1010542610, 2021085220]

約数ペア:

[(1, 2021085220), (2, 1010542610), (4, 505271305), (5, 404217044), (7, 288726460), (10, 202108522), (11, 183735020), (14, 144363230), (20, 101054261), (22, 91867510), (28, 72181615), (35, 57745292), (44, 45933755), (55, 36747004), (70, 28872646), (77, 26247860), (110, 18373502), (140, 14436323), (154, 13123930), (220, 9186751), (308, 6561965), (385, 5249572), (770, 2624786), (1540, 1312393)]