21534394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66877}}^1$

素因数の和:66909

約数の個数: 16

約数和(自身を含む): 38521728

約数和(自身を除く): 16987334

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66877, 133754, 468139, 936278, 1538171, 3076342, 10767197, 21534394]

約数ペア:

[(1, 21534394), (2, 10767197), (7, 3076342), (14, 1538171), (23, 936278), (46, 468139), (161, 133754), (322, 66877)]