21209001

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{58427}}^1$

素因数の和:58452

約数の個数: 12

約数和(自身を含む): 31083696

約数和(自身を除く): 9874695

約数列:

[1, 3, 11, 33, 121, 363, 58427, 175281, 642697, 1928091, 7069667, 21209001]

約数ペア:

[(1, 21209001), (3, 7069667), (11, 1928091), (33, 642697), (121, 175281), (363, 58427)]