21000886414100

素因数分解:

$2^2\times 5^2\times {\mathrm{210008864141}}^1$

素因数の和:210008864155

約数の個数: 18

約数和(自身を含む): 45571923518814

約数和(自身を除く): 24571037104714

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 210008864141, 420017728282, 840035456564, 1050044320705, 2100088641410, 4200177282820, 5250221603525, 10500443207050, 21000886414100]

約数ペア:

[(1, 21000886414100), (2, 10500443207050), (4, 5250221603525), (5, 4200177282820), (10, 2100088641410), (20, 1050044320705), (25, 840035456564), (50, 420017728282), (100, 210008864141)]