21468680

素因数分解:

$2^3\times 5^1\times {\mathrm{536717}}^1$

素因数の和:536728

約数の個数: 16

約数和(自身を含む): 48304620

約数和(自身を除く): 26835940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536717, 1073434, 2146868, 2683585, 4293736, 5367170, 10734340, 21468680]

約数ペア:

[(1, 21468680), (2, 10734340), (4, 5367170), (5, 4293736), (8, 2683585), (10, 2146868), (20, 1073434), (40, 536717)]