21032259

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5197}}^1$

素因数の和:5290

約数の個数: 16

約数和(自身を含む): 29940480

約数和(自身を除く): 8908221

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5197, 15591, 98743, 296229, 368987, 1106961, 7010753, 21032259]

約数ペア:

[(1, 21032259), (3, 7010753), (19, 1106961), (57, 368987), (71, 296229), (213, 98743), (1349, 15591), (4047, 5197)]