21550461

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{727}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 29597568

約数和(自身を除く): 8047107

約数列:

[1, 3, 41, 123, 241, 723, 727, 2181, 9881, 29643, 29807, 89421, 175207, 525621, 7183487, 21550461]

約数ペア:

[(1, 21550461), (3, 7183487), (41, 525621), (123, 175207), (241, 89421), (723, 29807), (727, 29643), (2181, 9881)]