21049006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9473}}^1$

素因数の和:9587

約数の個数: 16

約数和(自身を含む): 34788528

約数和(自身を除く): 13739522

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9473, 18946, 104203, 208406, 956773, 1913546, 10524503, 21049006]

約数ペア:

[(1, 21049006), (2, 10524503), (11, 1913546), (22, 956773), (101, 208406), (202, 104203), (1111, 18946), (2222, 9473)]