21078798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270241}}^1$

素因数の和:270259

約数の個数: 16

約数和(自身を含む): 45400656

約数和(自身を除く): 24321858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270241, 540482, 810723, 1621446, 3513133, 7026266, 10539399, 21078798]

約数ペア:

[(1, 21078798), (2, 10539399), (3, 7026266), (6, 3513133), (13, 1621446), (26, 810723), (39, 540482), (78, 270241)]