21025562404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68264813}}^1$

素因数の和:68264835

約数の個数: 24

約数和(自身を含む): 45873955008

約数和(自身を除く): 24848392604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68264813, 136529626, 273059252, 477853691, 750912943, 955707382, 1501825886, 1911414764, 3003651772, 5256390601, 10512781202, 21025562404]

約数ペア:

[(1, 21025562404), (2, 10512781202), (4, 5256390601), (7, 3003651772), (11, 1911414764), (14, 1501825886), (22, 955707382), (28, 750912943), (44, 477853691), (77, 273059252), (154, 136529626), (308, 68264813)]