21765510145

素因数分解:

$5^1\times {\mathrm{1117}}^1\times {\mathrm{1427}}^1\times {\mathrm{2731}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 26169893568

約数和(自身を除く): 4404383423

約数列:

[1, 5, 1117, 1427, 2731, 5585, 7135, 13655, 1593959, 3050527, 3897137, 7969795, 15252635, 19485685, 4353102029, 21765510145]

約数ペア:

[(1, 21765510145), (5, 4353102029), (1117, 19485685), (1427, 15252635), (2731, 7969795), (5585, 3897137), (7135, 3050527), (13655, 1593959)]