21488103

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26237}}^1$

素因数の和:26263

約数の個数: 24

約数和(自身を含む): 38202528

約数和(自身を除く): 16714425

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26237, 78711, 183659, 236133, 341081, 550977, 1023243, 1652931, 2387567, 3069729, 7162701, 21488103]

約数ペア:

[(1, 21488103), (3, 7162701), (7, 3069729), (9, 2387567), (13, 1652931), (21, 1023243), (39, 550977), (63, 341081), (91, 236133), (117, 183659), (273, 78711), (819, 26237)]