21180252

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41047}}^1$

素因数の和:41097

約数の個数: 24

約数和(自身を含む): 50571136

約数和(自身を除く): 29390884

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41047, 82094, 123141, 164188, 246282, 492564, 1765021, 3530042, 5295063, 7060084, 10590126, 21180252]

約数ペア:

[(1, 21180252), (2, 10590126), (3, 7060084), (4, 5295063), (6, 3530042), (12, 1765021), (43, 492564), (86, 246282), (129, 164188), (172, 123141), (258, 82094), (516, 41047)]