21267078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72337}}^1$

素因数の和:72356

約数の個数: 24

約数和(自身を含む): 49479192

約数和(自身を除く): 28212114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72337, 144674, 217011, 434022, 506359, 1012718, 1519077, 3038154, 3544513, 7089026, 10633539, 21267078]

約数ペア:

[(1, 21267078), (2, 10633539), (3, 7089026), (6, 3544513), (7, 3038154), (14, 1519077), (21, 1012718), (42, 506359), (49, 434022), (98, 217011), (147, 144674), (294, 72337)]