21279093

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4792

約数の個数: 16

約数和(自身を含む): 31180800

約数和(自身を除く): 9901707

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 4639, 13917, 51029, 153087, 644821, 1934463, 7093031, 21279093]

約数ペア:

[(1, 21279093), (3, 7093031), (11, 1934463), (33, 644821), (139, 153087), (417, 51029), (1529, 13917), (4587, 4639)]