21321937045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2212967}}^1$

素因数の和:2213060

約数の個数: 16

約数和(自身を含む): 26768060928

約数和(自身を除く): 5446123883

約数列:

[1, 5, 41, 47, 205, 235, 1927, 9635, 2212967, 11064835, 90731647, 104009449, 453658235, 520047245, 4264387409, 21321937045]

約数ペア:

[(1, 21321937045), (5, 4264387409), (41, 520047245), (47, 453658235), (205, 104009449), (235, 90731647), (1927, 11064835), (9635, 2212967)]