21126202210

素因数分解:

$2^1\times 5^1\times {\mathrm{8171}}^1\times {\mathrm{258551}}^1$

素因数の和:266729

約数の個数: 16

約数和(自身を含む): 38031964992

約数和(自身を除く): 16905762782

約数列:

[1, 2, 5, 10, 8171, 16342, 40855, 81710, 258551, 517102, 1292755, 2585510, 2112620221, 4225240442, 10563101105, 21126202210]

約数ペア:

[(1, 21126202210), (2, 10563101105), (5, 4225240442), (10, 2112620221), (8171, 2585510), (16342, 1292755), (40855, 517102), (81710, 258551)]