21866321

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 23745600

約数和(自身を除く): 1879279

約数列:

[1, 19, 67, 89, 193, 1273, 1691, 3667, 5963, 12931, 17177, 113297, 245689, 326363, 1150859, 21866321]

約数ペア:

[(1, 21866321), (19, 1150859), (67, 326363), (89, 245689), (193, 113297), (1273, 17177), (1691, 12931), (3667, 5963)]