21279102

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272809}}^1$

素因数の和:272827

約数の個数: 16

約数和(自身を含む): 45832080

約数和(自身を除く): 24552978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272809, 545618, 818427, 1636854, 3546517, 7093034, 10639551, 21279102]

約数ペア:

[(1, 21279102), (2, 10639551), (3, 7093034), (6, 3546517), (13, 1636854), (26, 818427), (39, 545618), (78, 272809)]