21919407

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 30912000

約数和(自身を除く): 8992593

約数列:

[1, 3, 19, 57, 239, 717, 1609, 4541, 4827, 13623, 30571, 91713, 384551, 1153653, 7306469, 21919407]

約数ペア:

[(1, 21919407), (3, 7306469), (19, 1153653), (57, 384551), (239, 91713), (717, 30571), (1609, 13623), (4541, 4827)]