21319294

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{673}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 32804928

約数和(自身を除く): 11485634

約数列:

[1, 2, 47, 94, 337, 673, 674, 1346, 15839, 31631, 31678, 63262, 226801, 453602, 10659647, 21319294]

約数ペア:

[(1, 21319294), (2, 10659647), (47, 453602), (94, 226801), (337, 63262), (673, 31678), (674, 31631), (1346, 15839)]