21956145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2767}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 36736896

約数和(自身を除く): 14780751

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 2767, 7935, 8301, 13835, 41505, 63641, 190923, 318205, 954615, 1463743, 4391229, 7318715, 21956145]

約数ペア:

[(1, 21956145), (3, 7318715), (5, 4391229), (15, 1463743), (23, 954615), (69, 318205), (115, 190923), (345, 63641), (529, 41505), (1587, 13835), (2645, 8301), (2767, 7935)]