21102027

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1549}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 29760000

約数和(自身を除く): 8657973

約数列:

[1, 3, 19, 57, 239, 717, 1549, 4541, 4647, 13623, 29431, 88293, 370211, 1110633, 7034009, 21102027]

約数ペア:

[(1, 21102027), (3, 7034009), (19, 1110633), (57, 370211), (239, 88293), (717, 29431), (1549, 13623), (4541, 4647)]