21528200

素因数分解:

$2^3\times 5^2\times {\mathrm{107641}}^1$

素因数の和:107657

約数の個数: 24

約数和(自身を含む): 50053530

約数和(自身を除く): 28525330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107641, 215282, 430564, 538205, 861128, 1076410, 2152820, 2691025, 4305640, 5382050, 10764100, 21528200]

約数ペア:

[(1, 21528200), (2, 10764100), (4, 5382050), (5, 4305640), (8, 2691025), (10, 2152820), (20, 1076410), (25, 861128), (40, 538205), (50, 430564), (100, 215282), (200, 107641)]