21031810064

素因数分解:

$2^4\times {\mathrm{599}}^1\times {\mathrm{2194471}}^1$

素因数の和:2195078

約数の個数: 20

約数和(自身を含む): 40817179200

約数和(自身を除く): 19785369136

約数列:

[1, 2, 4, 8, 16, 599, 1198, 2396, 4792, 9584, 2194471, 4388942, 8777884, 17555768, 35111536, 1314488129, 2628976258, 5257952516, 10515905032, 21031810064]

約数ペア:

[(1, 21031810064), (2, 10515905032), (4, 5257952516), (8, 2628976258), (16, 1314488129), (599, 35111536), (1198, 17555768), (2396, 8777884), (4792, 4388942), (9584, 2194471)]