2021999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 2542080

約数和(自身を除く): 520081

約数列:

[1, 7, 19, 23, 133, 161, 437, 661, 3059, 4627, 12559, 15203, 87913, 106421, 288857, 2021999]

約数ペア:

[(1, 2021999), (7, 288857), (19, 106421), (23, 87913), (133, 15203), (161, 12559), (437, 4627), (661, 3059)]