21169743

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 35965440

約数和(自身を除く): 14795697

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 3121, 6783, 9363, 21847, 53057, 59299, 65541, 159171, 177897, 371399, 415093, 1008083, 1114197, 1245279, 3024249, 7056581, 21169743]

約数ペア:

[(1, 21169743), (3, 7056581), (7, 3024249), (17, 1245279), (19, 1114197), (21, 1008083), (51, 415093), (57, 371399), (119, 177897), (133, 159171), (323, 65541), (357, 59299), (399, 53057), (969, 21847), (2261, 9363), (3121, 6783)]