21138943813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{789739}}^1$

素因数の和:789852

約数の個数: 16

約数和(自身を含む): 23881737600

約数和(自身を除く): 2742793787

約数列:

[1, 13, 29, 71, 377, 923, 2059, 26767, 789739, 10266607, 22902431, 56071469, 297731603, 728929097, 1626072601, 21138943813]

約数ペア:

[(1, 21138943813), (13, 1626072601), (29, 728929097), (71, 297731603), (377, 56071469), (923, 22902431), (2059, 10266607), (26767, 789739)]