21396453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1049}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 30811200

約数和(自身を除く): 9414747

約数列:

[1, 3, 13, 39, 523, 1049, 1569, 3147, 6799, 13637, 20397, 40911, 548627, 1645881, 7132151, 21396453]

約数ペア:

[(1, 21396453), (3, 7132151), (13, 1645881), (39, 548627), (523, 40911), (1049, 20397), (1569, 13637), (3147, 6799)]