21567356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16693}}^1$

素因数の和:16733

約数の個数: 24

約数和(自身を含む): 42068880

約数和(自身を除く): 20501524

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16693, 33386, 66772, 283781, 317167, 567562, 634334, 1135124, 1268668, 5391839, 10783678, 21567356]

約数ペア:

[(1, 21567356), (2, 10783678), (4, 5391839), (17, 1268668), (19, 1135124), (34, 634334), (38, 567562), (68, 317167), (76, 283781), (323, 66772), (646, 33386), (1292, 16693)]