21294078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273001}}^1$

素因数の和:273019

約数の個数: 16

約数和(自身を含む): 45864336

約数和(自身を除く): 24570258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273001, 546002, 819003, 1638006, 3549013, 7098026, 10647039, 21294078]

約数ペア:

[(1, 21294078), (2, 10647039), (3, 7098026), (6, 3549013), (13, 1638006), (26, 819003), (39, 546002), (78, 273001)]