21323289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11633}}^1$

素因数の和:11696

約数の個数: 16

約数和(自身を含む): 31272192

約数和(自身を除く): 9948903

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11633, 34899, 151229, 453687, 546751, 1640253, 7107763, 21323289]

約数ペア:

[(1, 21323289), (3, 7107763), (13, 1640253), (39, 546751), (47, 453687), (141, 151229), (611, 34899), (1833, 11633)]