21911487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{33049}}^1$

素因数の和:33082

約数の個数: 16

約数和(自身を含む): 33314400

約数和(自身を除く): 11402913

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 33049, 99147, 429637, 561833, 1288911, 1685499, 7303829, 21911487]

約数ペア:

[(1, 21911487), (3, 7303829), (13, 1685499), (17, 1288911), (39, 561833), (51, 429637), (221, 99147), (663, 33049)]