2021552778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{1663}}^1$

素因数の和:2059

約数の個数: 64

約数和(自身を含む): 4684972032

約数和(自身を除く): 2663419254

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 281, 309, 562, 618, 721, 843, 1442, 1663, 1686, 1967, 2163, 3326, 3934, 4326, 4989, 5901, 9978, 11641, 11802, 23282, 28943, 34923, 57886, 69846, 86829, 171289, 173658, 202601, 342578, 405202, 467303, 513867, 607803, 934606, 1027734, 1199023, 1215606, 1401909, 2398046, 2803818, 3271121, 3597069, 6542242, 7194138, 9813363, 19626726, 48132209, 96264418, 144396627, 288793254, 336925463, 673850926, 1010776389, 2021552778]

約数ペア:

[(1, 2021552778), (2, 1010776389), (3, 673850926), (6, 336925463), (7, 288793254), (14, 144396627), (21, 96264418), (42, 48132209), (103, 19626726), (206, 9813363), (281, 7194138), (309, 6542242), (562, 3597069), (618, 3271121), (721, 2803818), (843, 2398046), (1442, 1401909), (1663, 1215606), (1686, 1199023), (1967, 1027734), (2163, 934606), (3326, 607803), (3934, 513867), (4326, 467303), (4989, 405202), (5901, 342578), (9978, 202601), (11641, 173658), (11802, 171289), (23282, 86829), (28943, 69846), (34923, 57886)]