21437948

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20693}}^1$

素因数の和:20741

約数の個数: 24

約数和(自身を含む): 44036832

約数和(自身を除く): 22598884

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20693, 41386, 82772, 144851, 289702, 579404, 765641, 1531282, 3062564, 5359487, 10718974, 21437948]

約数ペア:

[(1, 21437948), (2, 10718974), (4, 5359487), (7, 3062564), (14, 1531282), (28, 765641), (37, 579404), (74, 289702), (148, 144851), (259, 82772), (518, 41386), (1036, 20693)]