21678618256

素因数分解:

$2^4\times {\mathrm{87691}}^1\times {\mathrm{15451}}^1$

素因数の和:103150

約数の個数: 20

約数和(自身を含む): 42005520304

約数和(自身を除く): 20326902048

約数列:

[1, 2, 4, 8, 16, 15451, 30902, 61804, 87691, 123608, 175382, 247216, 350764, 701528, 1403056, 1354913641, 2709827282, 5419654564, 10839309128, 21678618256]

約数ペア:

[(1, 21678618256), (2, 10839309128), (4, 5419654564), (8, 2709827282), (16, 1354913641), (15451, 1403056), (30902, 701528), (61804, 350764), (87691, 247216), (123608, 175382)]