21000649674

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5170027}}^1$

素因数の和:5170709

約数の個数: 16

約数和(自身を含む): 42063347808

約数和(自身を除く): 21062698134

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5170027, 10340054, 15510081, 31020162, 3500108279, 7000216558, 10500324837, 21000649674]

約数ペア:

[(1, 21000649674), (2, 10500324837), (3, 7000216558), (6, 3500108279), (677, 31020162), (1354, 15510081), (2031, 10340054), (4062, 5170027)]