21283994

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 32610600

約数和(自身を除く): 11326606

約数列:

[1, 2, 89, 109, 178, 218, 1097, 2194, 9701, 19402, 97633, 119573, 195266, 239146, 10641997, 21283994]

約数ペア:

[(1, 21283994), (2, 10641997), (89, 239146), (109, 195266), (178, 119573), (218, 97633), (1097, 19402), (2194, 9701)]