21458827

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 23853312

約数和(自身を除く): 2394485

約数列:

[1, 13, 67, 71, 347, 871, 923, 4511, 4757, 23249, 24637, 61841, 302237, 320281, 1650679, 21458827]

約数ペア:

[(1, 21458827), (13, 1650679), (67, 320281), (71, 302237), (347, 61841), (871, 24637), (923, 23249), (4511, 4757)]