21151929

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 28957824

約数和(自身を除く): 7805895

約数列:

[1, 3, 53, 151, 159, 453, 881, 2643, 8003, 24009, 46693, 133031, 140079, 399093, 7050643, 21151929]

約数ペア:

[(1, 21151929), (3, 7050643), (53, 399093), (151, 140079), (159, 133031), (453, 46693), (881, 24009), (2643, 8003)]