2021090008

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{275503}}^1$

素因数の和:275647

約数の個数: 32

約数和(自身を含む): 4363983360

約数和(自身を除く): 2342893352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 275503, 551006, 1102012, 1928521, 2204024, 3857042, 7714084, 15428168, 36090893, 72181786, 144363572, 252636251, 288727144, 505272502, 1010545004, 2021090008]

約数ペア:

[(1, 2021090008), (2, 1010545004), (4, 505272502), (7, 288727144), (8, 252636251), (14, 144363572), (28, 72181786), (56, 36090893), (131, 15428168), (262, 7714084), (524, 3857042), (917, 2204024), (1048, 1928521), (1834, 1102012), (3668, 551006), (7336, 275503)]