21624717

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5197}}^1$

素因数の和:5292

約数の個数: 16

約数和(自身を含む): 30772160

約数和(自身を除く): 9147443

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 5197, 15591, 98743, 296229, 379381, 1138143, 7208239, 21624717]

約数ペア:

[(1, 21624717), (3, 7208239), (19, 1138143), (57, 379381), (73, 296229), (219, 98743), (1387, 15591), (4161, 5197)]