21184638

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 43714176

約数和(自身を除く): 22529538

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 523, 942, 1046, 1569, 3138, 6751, 13502, 20253, 22489, 40506, 44978, 67467, 82111, 134934, 164222, 246333, 492666, 3530773, 7061546, 10592319, 21184638]

約数ペア:

[(1, 21184638), (2, 10592319), (3, 7061546), (6, 3530773), (43, 492666), (86, 246333), (129, 164222), (157, 134934), (258, 82111), (314, 67467), (471, 44978), (523, 40506), (942, 22489), (1046, 20253), (1569, 13502), (3138, 6751)]