2171416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{20879}}^1$

素因数の和:20898

約数の個数: 16

約数和(自身を含む): 4384800

約数和(自身を除く): 2213384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 20879, 41758, 83516, 167032, 271427, 542854, 1085708, 2171416]

約数ペア:

[(1, 2171416), (2, 1085708), (4, 542854), (8, 271427), (13, 167032), (26, 83516), (52, 41758), (104, 20879)]