21873429

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{1549}}^1$

素因数の和:2081

約数の個数: 16

約数和(自身を含む): 32488000

約数和(自身を除く): 10614571

約数列:

[1, 3, 9, 27, 523, 1549, 1569, 4647, 4707, 13941, 14121, 41823, 810127, 2430381, 7291143, 21873429]

約数ペア:

[(1, 21873429), (3, 7291143), (9, 2430381), (27, 810127), (523, 41823), (1549, 14121), (1569, 13941), (4647, 4707)]