21909869

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 24286080

約数和(自身を除く): 2376211

約数列:

[1, 19, 23, 181, 277, 437, 3439, 4163, 5263, 6371, 50137, 79097, 121049, 952603, 1153151, 21909869]

約数ペア:

[(1, 21909869), (19, 1153151), (23, 952603), (181, 121049), (277, 79097), (437, 50137), (3439, 6371), (4163, 5263)]