21055883905

素因数分解:

$5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1021}}^1\times {\mathrm{2011}}^1$

素因数の和:3337

約数の個数: 32

約数和(自身を含む): 29017997568

約数和(自身を除く): 7962113663

約数列:

[1, 5, 7, 35, 293, 1021, 1465, 2011, 2051, 5105, 7147, 10055, 10255, 14077, 35735, 70385, 299153, 589223, 1495765, 2053231, 2094071, 2946115, 4124561, 10266155, 10470355, 14372617, 20622805, 71863085, 601596683, 3007983415, 4211176781, 21055883905]

約数ペア:

[(1, 21055883905), (5, 4211176781), (7, 3007983415), (35, 601596683), (293, 71863085), (1021, 20622805), (1465, 14372617), (2011, 10470355), (2051, 10266155), (5105, 4124561), (7147, 2946115), (10055, 2094071), (10255, 2053231), (14077, 1495765), (35735, 589223), (70385, 299153)]