2021309493

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{235337}}^1$

素因数の和:235756

約数の個数: 16

約数和(自身を含む): 3087634560

約数和(自身を除く): 1066325067

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 235337, 706011, 1647359, 4942077, 96252833, 288758499, 673769831, 2021309493]

約数ペア:

[(1, 2021309493), (3, 673769831), (7, 288758499), (21, 96252833), (409, 4942077), (1227, 1647359), (2863, 706011), (8589, 235337)]