21300201

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10709}}^1$

素因数の和:10745

約数の個数: 24

約数和(自身を含む): 35085960

約数和(自身を除く): 13785759

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10709, 32127, 96381, 139217, 182053, 417651, 546159, 1252953, 1638477, 2366689, 7100067, 21300201]

約数ペア:

[(1, 21300201), (3, 7100067), (9, 2366689), (13, 1638477), (17, 1252953), (39, 546159), (51, 417651), (117, 182053), (153, 139217), (221, 96381), (663, 32127), (1989, 10709)]