21742792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20391608

約数列:

[1, 2, 4, 8, 41, 82, 151, 164, 302, 328, 439, 604, 878, 1208, 1756, 3512, 6191, 12382, 17999, 24764, 35998, 49528, 66289, 71996, 132578, 143992, 265156, 530312, 2717849, 5435698, 10871396, 21742792]

約数ペア:

[(1, 21742792), (2, 10871396), (4, 5435698), (8, 2717849), (41, 530312), (82, 265156), (151, 143992), (164, 132578), (302, 71996), (328, 66289), (439, 49528), (604, 35998), (878, 24764), (1208, 17999), (1756, 12382), (3512, 6191)]