21032649

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3079}}^1$

素因数の和:3122

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14448951

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 3079, 6831, 9237, 27711, 33869, 70817, 83133, 101607, 212451, 304821, 637353, 778987, 914463, 1912059, 2336961, 7010883, 21032649]

約数ペア:

[(1, 21032649), (3, 7010883), (9, 2336961), (11, 1912059), (23, 914463), (27, 778987), (33, 637353), (69, 304821), (99, 212451), (207, 101607), (253, 83133), (297, 70817), (621, 33869), (759, 27711), (2277, 9237), (3079, 6831)]