2128398340

素因数分解:

$2^2\times 5^1\times {\mathrm{9811}}^1\times {\mathrm{10847}}^1$

素因数の和:20667

約数の個数: 24

約数和(自身を含む): 4470504192

約数和(自身を除く): 2342105852

約数列:

[1, 2, 4, 5, 10, 20, 9811, 10847, 19622, 21694, 39244, 43388, 49055, 54235, 98110, 108470, 196220, 216940, 106419917, 212839834, 425679668, 532099585, 1064199170, 2128398340]

約数ペア:

[(1, 2128398340), (2, 1064199170), (4, 532099585), (5, 425679668), (10, 212839834), (20, 106419917), (9811, 216940), (10847, 196220), (19622, 108470), (21694, 98110), (39244, 54235), (43388, 49055)]