2171390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16703}}^1$

素因数の和:16723

約数の個数: 16

約数和(自身を含む): 4209408

約数和(自身を除く): 2038018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 16703, 33406, 83515, 167030, 217139, 434278, 1085695, 2171390]

約数ペア:

[(1, 2171390), (2, 1085695), (5, 434278), (10, 217139), (13, 167030), (26, 83515), (65, 33406), (130, 16703)]