21084258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270311}}^1$

素因数の和:270329

約数の個数: 16

約数和(自身を含む): 45412416

約数和(自身を除く): 24328158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270311, 540622, 810933, 1621866, 3514043, 7028086, 10542129, 21084258]

約数ペア:

[(1, 21084258), (2, 10542129), (3, 7028086), (6, 3514043), (13, 1621866), (26, 810933), (39, 540622), (78, 270311)]