2021020510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6519421}}^1$

素因数の和:6519459

約数の個数: 16

約数和(自身を含む): 3755187072

約数和(自身を除く): 1734166562

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6519421, 13038842, 32597105, 65194210, 202102051, 404204102, 1010510255, 2021020510]

約数ペア:

[(1, 2021020510), (2, 1010510255), (5, 404204102), (10, 202102051), (31, 65194210), (62, 32597105), (155, 13038842), (310, 6519421)]