21377638

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{941}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 33075504

約数和(自身を除く): 11697866

約数列:

[1, 2, 37, 74, 307, 614, 941, 1882, 11359, 22718, 34817, 69634, 288887, 577774, 10688819, 21377638]

約数ペア:

[(1, 21377638), (2, 10688819), (37, 577774), (74, 288887), (307, 69634), (614, 34817), (941, 22718), (1882, 11359)]