21654946

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 24

約数和(自身を含む): 34770060

約数和(自身を除く): 13115114

約数列:

[1, 2, 19, 38, 89, 178, 337, 361, 674, 722, 1691, 3382, 6403, 12806, 29993, 32129, 59986, 64258, 121657, 243314, 569867, 1139734, 10827473, 21654946]

約数ペア:

[(1, 21654946), (2, 10827473), (19, 1139734), (38, 569867), (89, 243314), (178, 121657), (337, 64258), (361, 59986), (674, 32129), (722, 29993), (1691, 12806), (3382, 6403)]