2021570271

素因数分解:

$3^3\times 7^1\times {\mathrm{1801}}^1\times {\mathrm{5939}}^1$

素因数の和:7756

約数の個数: 32

約数和(自身を含む): 3425241600

約数和(自身を除く): 1403671329

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1801, 5403, 5939, 12607, 16209, 17817, 37821, 41573, 48627, 53451, 113463, 124719, 160353, 340389, 374157, 1122471, 10696139, 32088417, 74872973, 96265251, 224618919, 288795753, 673856757, 2021570271]

約数ペア:

[(1, 2021570271), (3, 673856757), (7, 288795753), (9, 224618919), (21, 96265251), (27, 74872973), (63, 32088417), (189, 10696139), (1801, 1122471), (5403, 374157), (5939, 340389), (12607, 160353), (16209, 124719), (17817, 113463), (37821, 53451), (41573, 48627)]