21033138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3361}}^1$

素因数の和:3522

約数の個数: 32

約数和(自身を含む): 48412800

約数和(自身を除く): 27379662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3361, 6258, 6722, 10083, 20166, 23527, 47054, 70581, 141162, 500789, 1001578, 1502367, 3004734, 3505523, 7011046, 10516569, 21033138]

約数ペア:

[(1, 21033138), (2, 10516569), (3, 7011046), (6, 3505523), (7, 3004734), (14, 1502367), (21, 1001578), (42, 500789), (149, 141162), (298, 70581), (447, 47054), (894, 23527), (1043, 20166), (2086, 10083), (3129, 6722), (3361, 6258)]