21028555007

素因数分解:

${\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2417}}^1\times {\mathrm{4201}}^1$

素因数の和:6746

約数の個数: 16

約数和(自身を含む): 22352959200

約数和(自身を除く): 1324404193

約数列:

[1, 19, 109, 2071, 2417, 4201, 45923, 79819, 263453, 457909, 5005607, 8700271, 10153817, 192922523, 1106766053, 21028555007]

約数ペア:

[(1, 21028555007), (19, 1106766053), (109, 192922523), (2071, 10153817), (2417, 8700271), (4201, 5005607), (45923, 457909), (79819, 263453)]