21775684

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21019}}^1$

素因数の和:21067

約数の個数: 24

約数和(自身を含む): 44730560

約数和(自身を除く): 22954876

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 21019, 42038, 84076, 147133, 294266, 588532, 777703, 1555406, 3110812, 5443921, 10887842, 21775684]

約数ペア:

[(1, 21775684), (2, 10887842), (4, 5443921), (7, 3110812), (14, 1555406), (28, 777703), (37, 588532), (74, 294266), (148, 147133), (259, 84076), (518, 42038), (1036, 21019)]