21875841

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1033}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 34250216

約数和(自身を除く): 12374375

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 1033, 1629, 2353, 3099, 7059, 9297, 13429, 21177, 40287, 120861, 186973, 560919, 1682757, 2430649, 7291947, 21875841]

約数ペア:

[(1, 21875841), (3, 7291947), (9, 2430649), (13, 1682757), (39, 560919), (117, 186973), (181, 120861), (543, 40287), (1033, 21177), (1629, 13429), (2353, 9297), (3099, 7059)]