2021888869

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2019869}}^1$

素因数の和:2019900

約数の個数: 16

約数和(自身を含む): 2714705280

約数和(自身を除く): 692816411

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 2019869, 14139083, 22218559, 26258297, 155529913, 183808079, 288841267, 2021888869]

約数ペア:

[(1, 2021888869), (7, 288841267), (11, 183808079), (13, 155529913), (77, 26258297), (91, 22218559), (143, 14139083), (1001, 2019869)]