21825471

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5393}}^1$

素因数の和:5486

約数の個数: 16

約数和(自身を含む): 31069440

約数和(自身を除く): 9243969

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5393, 16179, 102467, 307401, 382903, 1148709, 7275157, 21825471]

約数ペア:

[(1, 21825471), (3, 7275157), (19, 1148709), (57, 382903), (71, 307401), (213, 102467), (1349, 16179), (4047, 5393)]