21616918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{823}}^1$

素因数の和:1419

約数の個数: 16

約数和(自身を含む): 33935616

約数和(自身を除く): 12318698

約数列:

[1, 2, 23, 46, 571, 823, 1142, 1646, 13133, 18929, 26266, 37858, 469933, 939866, 10808459, 21616918]

約数ペア:

[(1, 21616918), (2, 10808459), (23, 939866), (46, 469933), (571, 37858), (823, 26266), (1142, 18929), (1646, 13133)]