6912820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 14569128

約数和(自身を除く): 7656308

約数列:

[1, 2, 4, 5, 10, 20, 421, 821, 842, 1642, 1684, 2105, 3284, 4105, 4210, 8210, 8420, 16420, 345641, 691282, 1382564, 1728205, 3456410, 6912820]

約数ペア:

[(1, 6912820), (2, 3456410), (4, 1728205), (5, 1382564), (10, 691282), (20, 345641), (421, 16420), (821, 8420), (842, 8210), (1642, 4210), (1684, 4105), (2105, 3284)]