2021155419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1\times {\mathrm{16273}}^1$

素因数の和:18474

約数の個数: 16

約数和(自身を含む): 2838185600

約数和(自身を除く): 817030181

約数列:

[1, 3, 19, 57, 2179, 6537, 16273, 41401, 48819, 124203, 309187, 927561, 35458867, 106376601, 673718473, 2021155419]

約数ペア:

[(1, 2021155419), (3, 673718473), (19, 106376601), (57, 35458867), (2179, 927561), (6537, 309187), (16273, 124203), (41401, 48819)]