21275499

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1117}}^1$

素因数の和:2034

約数の個数: 16

約数和(自身を含む): 32484608

約数和(自身を除く): 11209109

約数列:

[1, 3, 7, 21, 907, 1117, 2721, 3351, 6349, 7819, 19047, 23457, 1013119, 3039357, 7091833, 21275499]

約数ペア:

[(1, 21275499), (3, 7091833), (7, 3039357), (21, 1013119), (907, 23457), (1117, 19047), (2721, 7819), (3351, 6349)]