21897513

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4337}}^1$

素因数の和:4374

約数の個数: 32

約数和(自身を含む): 37480320

約数和(自身を除く): 15582807

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4337, 5049, 13011, 39033, 47707, 73729, 117099, 143121, 221187, 429363, 663561, 811019, 1288089, 1990683, 2433057, 7299171, 21897513]

約数ペア:

[(1, 21897513), (3, 7299171), (9, 2433057), (11, 1990683), (17, 1288089), (27, 811019), (33, 663561), (51, 429363), (99, 221187), (153, 143121), (187, 117099), (297, 73729), (459, 47707), (561, 39033), (1683, 13011), (4337, 5049)]