21919069

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 24641280

約数和(自身を除く): 2722211

約数列:

[1, 17, 23, 61, 391, 919, 1037, 1403, 15623, 21137, 23851, 56059, 359329, 953003, 1289357, 21919069]

約数ペア:

[(1, 21919069), (17, 1289357), (23, 953003), (61, 359329), (391, 56059), (919, 23851), (1037, 21137), (1403, 15623)]