21611873

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 23956800

約数和(自身を除く): 2344927

約数列:

[1, 19, 29, 61, 551, 643, 1159, 1769, 12217, 18647, 33611, 39223, 354293, 745237, 1137467, 21611873]

約数ペア:

[(1, 21611873), (19, 1137467), (29, 745237), (61, 354293), (551, 39223), (643, 33611), (1159, 18647), (1769, 12217)]