21778008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129631}}^1$

素因数の和:129647

約数の個数: 32

約数和(自身を含む): 62223360

約数和(自身を除く): 40445352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129631, 259262, 388893, 518524, 777786, 907417, 1037048, 1555572, 1814834, 2722251, 3111144, 3629668, 5444502, 7259336, 10889004, 21778008]

約数ペア:

[(1, 21778008), (2, 10889004), (3, 7259336), (4, 5444502), (6, 3629668), (7, 3111144), (8, 2722251), (12, 1814834), (14, 1555572), (21, 1037048), (24, 907417), (28, 777786), (42, 518524), (56, 388893), (84, 259262), (168, 129631)]