21622802210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{417187}}^1$

素因数の和:417338

約数の個数: 32

約数和(自身を含む): 40009997952

約数和(自身を除く): 18387195742

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 710, 730, 5183, 10366, 25915, 51830, 417187, 834374, 2085935, 4171870, 29620277, 30454651, 59240554, 60909302, 148101385, 152273255, 296202770, 304546510, 2162280221, 4324560442, 10811401105, 21622802210]

約数ペア:

[(1, 21622802210), (2, 10811401105), (5, 4324560442), (10, 2162280221), (71, 304546510), (73, 296202770), (142, 152273255), (146, 148101385), (355, 60909302), (365, 59240554), (710, 30454651), (730, 29620277), (5183, 4171870), (10366, 2085935), (25915, 834374), (51830, 417187)]