21995450170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129385001}}^1$

素因数の和:129385025

約数の個数: 16

約数和(自身を含む): 41920740648

約数和(自身を除く): 19925290478

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 129385001, 258770002, 646925005, 1293850010, 2199545017, 4399090034, 10997725085, 21995450170]

約数ペア:

[(1, 21995450170), (2, 10997725085), (5, 4399090034), (10, 2199545017), (17, 1293850010), (34, 646925005), (85, 258770002), (170, 129385001)]