21082028949

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{955711}}^1$

素因数の和:955782

約数の個数: 32

約数和(自身を含む): 33641062400

約数和(自身を除く): 12559033451

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 2451, 7353, 22059, 955711, 2867133, 8601399, 18158509, 25804197, 41095573, 54475527, 123286719, 163426581, 369860157, 490279743, 780815887, 1109580471, 2342447661, 7027342983, 21082028949]

約数ペア:

[(1, 21082028949), (3, 7027342983), (9, 2342447661), (19, 1109580471), (27, 780815887), (43, 490279743), (57, 369860157), (129, 163426581), (171, 123286719), (387, 54475527), (513, 41095573), (817, 25804197), (1161, 18158509), (2451, 8601399), (7353, 2867133), (22059, 955711)]