21672068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44777}}^1$

素因数の和:44803

約数の個数: 18

約数和(自身を含む): 41688318

約数和(自身を除く): 20016250

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44777, 89554, 179108, 492547, 985094, 1970188, 5418017, 10836034, 21672068]

約数ペア:

[(1, 21672068), (2, 10836034), (4, 5418017), (11, 1970188), (22, 985094), (44, 492547), (121, 179108), (242, 89554), (484, 44777)]