19670721

素因数分解:

$3^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1093}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 30036864

約数和(自身を除く): 10366143

約数列:

[1, 3, 7, 21, 857, 1093, 2571, 3279, 5999, 7651, 17997, 22953, 936701, 2810103, 6556907, 19670721]

約数ペア:

[(1, 19670721), (3, 6556907), (7, 2810103), (21, 936701), (857, 22953), (1093, 17997), (2571, 7651), (3279, 5999)]