21093765128

素因数分解:

$2^3\times {\mathrm{2819}}^1\times {\mathrm{935339}}^1$

素因数の和:938164

約数の個数: 16

約数和(自身を含む): 39564882000

約数和(自身を除く): 18471116872

約数列:

[1, 2, 4, 8, 2819, 5638, 11276, 22552, 935339, 1870678, 3741356, 7482712, 2636720641, 5273441282, 10546882564, 21093765128]

約数ペア:

[(1, 21093765128), (2, 10546882564), (4, 5273441282), (8, 2636720641), (2819, 7482712), (5638, 3741356), (11276, 1870678), (22552, 935339)]