21164290561

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1\times {\mathrm{5399}}^1$

素因数の和:7488

約数の個数: 16

約数和(自身を含む): 22161600000

約数和(自身を除く): 997309439

約数列:

[1, 37, 53, 1961, 1999, 5399, 73963, 105947, 199763, 286147, 3920039, 10587439, 10792601, 399326237, 572007853, 21164290561]

約数ペア:

[(1, 21164290561), (37, 572007853), (53, 399326237), (1961, 10792601), (1999, 10587439), (5399, 3920039), (73963, 286147), (105947, 199763)]