29191390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21001}}^1$

素因数の和:21147

約数の個数: 16

約数和(自身を含む): 52925040

約数和(自身を除く): 23733650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 21001, 42002, 105005, 210010, 2919139, 5838278, 14595695, 29191390]

約数ペア:

[(1, 29191390), (2, 14595695), (5, 5838278), (10, 2919139), (139, 210010), (278, 105005), (695, 42002), (1390, 21001)]