21961497621

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{825403}}^1$

素因数の和:825601

約数の個数: 24

約数和(自身を含む): 34250964384

約数和(自身を除く): 12289466763

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1267, 3801, 8869, 26607, 825403, 2476209, 5777821, 17333463, 40444747, 121334241, 149397943, 448193829, 1045785601, 3137356803, 7320499207, 21961497621]

約数ペア:

[(1, 21961497621), (3, 7320499207), (7, 3137356803), (21, 1045785601), (49, 448193829), (147, 149397943), (181, 121334241), (543, 40444747), (1267, 17333463), (3801, 5777821), (8869, 2476209), (26607, 825403)]