20140421

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{13259}}^1$

素因数の和:13304

約数の個数: 12

約数和(自身を含む): 24186240

約数和(自身を除く): 4045819

約数列:

[1, 7, 31, 49, 217, 1519, 13259, 92813, 411029, 649691, 2877203, 20140421]

約数ペア:

[(1, 20140421), (7, 2877203), (31, 649691), (49, 411029), (217, 92813), (1519, 13259)]