2021084919

素因数分解:

$3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{15749}}^1$

素因数の和:15869

約数の個数: 48

約数和(自身を含む): 3519180000

約数和(自身を除く): 1498095081

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 97, 147, 189, 291, 441, 679, 873, 1323, 2037, 2619, 4753, 6111, 14259, 15749, 18333, 42777, 47247, 110243, 128331, 141741, 330729, 425223, 771701, 992187, 1527653, 2315103, 2976561, 4582959, 6945309, 10693571, 13748877, 20835927, 32080713, 41246631, 74854997, 96242139, 224564991, 288726417, 673694973, 2021084919]

約数ペア:

[(1, 2021084919), (3, 673694973), (7, 288726417), (9, 224564991), (21, 96242139), (27, 74854997), (49, 41246631), (63, 32080713), (97, 20835927), (147, 13748877), (189, 10693571), (291, 6945309), (441, 4582959), (679, 2976561), (873, 2315103), (1323, 1527653), (2037, 992187), (2619, 771701), (4753, 425223), (6111, 330729), (14259, 141741), (15749, 128331), (18333, 110243), (42777, 47247)]