21815673

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9311}}^1$

素因数の和:9396

約数の個数: 16

約数和(自身を含む): 32182272

約数和(自身を除く): 10366599

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9311, 27933, 102421, 307263, 661081, 1983243, 7271891, 21815673]

約数ペア:

[(1, 21815673), (3, 7271891), (11, 1983243), (33, 661081), (71, 307263), (213, 102421), (781, 27933), (2343, 9311)]