21453717

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4229}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 30456000

約数和(自身を除く): 9002283

約数列:

[1, 3, 19, 57, 89, 267, 1691, 4229, 5073, 12687, 80351, 241053, 376381, 1129143, 7151239, 21453717]

約数ペア:

[(1, 21453717), (3, 7151239), (19, 1129143), (57, 376381), (89, 241053), (267, 80351), (1691, 12687), (4229, 5073)]