21525049

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4463}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 5473223

約数列:

[1, 7, 13, 53, 91, 371, 689, 4463, 4823, 31241, 58019, 236539, 406133, 1655773, 3075007, 21525049]

約数ペア:

[(1, 21525049), (7, 3075007), (13, 1655773), (53, 406133), (91, 236539), (371, 58019), (689, 31241), (4463, 4823)]