21263895805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2206943}}^1$

素因数の和:2207036

約数の個数: 16

約数和(自身を含む): 26695194624

約数和(自身を除く): 5431298819

約数列:

[1, 5, 41, 47, 205, 235, 1927, 9635, 2206943, 11034715, 90484663, 103726321, 452423315, 518631605, 4252779161, 21263895805]

約数ペア:

[(1, 21263895805), (5, 4252779161), (41, 518631605), (47, 452423315), (205, 103726321), (235, 90484663), (1927, 11034715), (9635, 2206943)]