21780106239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3381479}}^1$

素因数の和:3381614

約数の個数: 16

約数和(自身を含む): 30839097600

約数和(自身を除く): 9058991361

約数列:

[1, 3, 19, 57, 113, 339, 2147, 6441, 3381479, 10144437, 64248101, 192744303, 382107127, 1146321381, 7260035413, 21780106239]

約数ペア:

[(1, 21780106239), (3, 7260035413), (19, 1146321381), (57, 382107127), (113, 192744303), (339, 64248101), (2147, 10144437), (6441, 3381479)]