21046161

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 28885248

約数和(自身を除く): 7839087

約数列:

[1, 3, 41, 123, 397, 431, 1191, 1293, 16277, 17671, 48831, 53013, 171107, 513321, 7015387, 21046161]

約数ペア:

[(1, 21046161), (3, 7015387), (41, 513321), (123, 171107), (397, 53013), (431, 48831), (1191, 17671), (1293, 16277)]