21150883

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 23553376

約数和(自身を除く): 2402493

約数列:

[1, 13, 43, 157, 241, 559, 2041, 3133, 6751, 10363, 37837, 87763, 134719, 491881, 1626991, 21150883]

約数ペア:

[(1, 21150883), (13, 1626991), (43, 491881), (157, 134719), (241, 87763), (559, 37837), (2041, 10363), (3133, 6751)]