21135426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270967}}^1$

素因数の和:270985

約数の個数: 16

約数和(自身を含む): 45522624

約数和(自身を除く): 24387198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270967, 541934, 812901, 1625802, 3522571, 7045142, 10567713, 21135426]

約数ペア:

[(1, 21135426), (2, 10567713), (3, 7045142), (6, 3522571), (13, 1625802), (26, 812901), (39, 541934), (78, 270967)]