21866650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33641}}^1$

素因数の和:33666

約数の個数: 24

約数和(自身を含む): 43801884

約数和(自身を除く): 21935234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33641, 67282, 168205, 336410, 437333, 841025, 874666, 1682050, 2186665, 4373330, 10933325, 21866650]

約数ペア:

[(1, 21866650), (2, 10933325), (5, 4373330), (10, 2186665), (13, 1682050), (25, 874666), (26, 841025), (50, 437333), (65, 336410), (130, 168205), (325, 67282), (650, 33641)]