21919898

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10949}}^1$

素因数の和:10982

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 22230502

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10949, 21898, 76643, 120439, 142337, 153286, 240878, 284674, 843073, 996359, 1565707, 1686146, 1992718, 3131414, 10959949, 21919898]

約数ペア:

[(1, 21919898), (2, 10959949), (7, 3131414), (11, 1992718), (13, 1686146), (14, 1565707), (22, 996359), (26, 843073), (77, 284674), (91, 240878), (143, 153286), (154, 142337), (182, 120439), (286, 76643), (1001, 21898), (2002, 10949)]