21000913266

素因数分解:

$2^1\times 3^1\times {\mathrm{881}}^1\times {\mathrm{3972931}}^1$

素因数の和:3973817

約数の個数: 16

約数和(自身を含む): 42049512288

約数和(自身を除く): 21048599022

約数列:

[1, 2, 3, 6, 881, 1762, 2643, 5286, 3972931, 7945862, 11918793, 23837586, 3500152211, 7000304422, 10500456633, 21000913266]

約数ペア:

[(1, 21000913266), (2, 10500456633), (3, 7000304422), (6, 3500152211), (881, 23837586), (1762, 11918793), (2643, 7945862), (5286, 3972931)]