21073276

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20341}}^1$

素因数の和:20389

約数の個数: 24

約数和(自身を含む): 43287776

約数和(自身を除く): 22214500

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20341, 40682, 81364, 142387, 284774, 569548, 752617, 1505234, 3010468, 5268319, 10536638, 21073276]

約数ペア:

[(1, 21073276), (2, 10536638), (4, 5268319), (7, 3010468), (14, 1505234), (28, 752617), (37, 569548), (74, 284774), (148, 142387), (259, 81364), (518, 40682), (1036, 20341)]