2021852140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1312891}}^1$

素因数の和:1312918

約数の個数: 48

約数和(自身を含む): 5293580544

約数和(自身を除く): 3271728404

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, 1312891, 2625782, 5251564, 6564455, 9190237, 13128910, 14441801, 18380474, 26257820, 28883602, 36760948, 45951185, 57767204, 72209005, 91902370, 101092607, 144418010, 183804740, 202185214, 288836020, 404370428, 505463035, 1010926070, 2021852140]

約数ペア:

[(1, 2021852140), (2, 1010926070), (4, 505463035), (5, 404370428), (7, 288836020), (10, 202185214), (11, 183804740), (14, 144418010), (20, 101092607), (22, 91902370), (28, 72209005), (35, 57767204), (44, 45951185), (55, 36760948), (70, 28883602), (77, 26257820), (110, 18380474), (140, 14441801), (154, 13128910), (220, 9190237), (308, 6564455), (385, 5251564), (770, 2625782), (1540, 1312891)]