21871588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8693}}^1$

素因数の和:8751

約数の個数: 24

約数和(自身を含む): 41626872

約数和(自身を除く): 19755284

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8693, 17386, 34772, 147781, 295562, 321641, 591124, 643282, 1286564, 5467897, 10935794, 21871588]

約数ペア:

[(1, 21871588), (2, 10935794), (4, 5467897), (17, 1286564), (34, 643282), (37, 591124), (68, 321641), (74, 295562), (148, 147781), (629, 34772), (1258, 17386), (2516, 8693)]