21568308

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{105727}}^1$

素因数の和:105751

約数の個数: 24

約数和(自身を含む): 53286912

約数和(自身を除く): 31718604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 105727, 211454, 317181, 422908, 634362, 1268724, 1797359, 3594718, 5392077, 7189436, 10784154, 21568308]

約数ペア:

[(1, 21568308), (2, 10784154), (3, 7189436), (4, 5392077), (6, 3594718), (12, 1797359), (17, 1268724), (34, 634362), (51, 422908), (68, 317181), (102, 211454), (204, 105727)]