21564319

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 25433856

約数和(自身を除く): 3869537

約数列:

[1, 7, 41, 227, 287, 331, 1589, 2317, 9307, 13571, 65149, 75137, 94997, 525959, 3080617, 21564319]

約数ペア:

[(1, 21564319), (7, 3080617), (41, 525959), (227, 94997), (287, 75137), (331, 65149), (1589, 13571), (2317, 9307)]