21373654895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1\times {\mathrm{80669}}^1$

素因数の和:83482

約数の個数: 16

約数和(自身を含む): 27008316000

約数和(自身を除く): 5634661105

約数列:

[1, 5, 19, 95, 2789, 13945, 52991, 80669, 264955, 403345, 1532711, 7663555, 224985841, 1124929205, 4274730979, 21373654895]

約数ペア:

[(1, 21373654895), (5, 4274730979), (19, 1124929205), (95, 224985841), (2789, 7663555), (13945, 1532711), (52991, 403345), (80669, 264955)]