21000836331

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{307}}^1\times {\mathrm{9349}}^1$

素因数の和:9936

約数の個数: 32

約数和(自身を含む): 31332224000

約数和(自身を除く): 10331387669

約数列:

[1, 3, 9, 27, 271, 307, 813, 921, 2439, 2763, 7317, 8289, 9349, 28047, 83197, 84141, 249591, 252423, 748773, 2246319, 2533579, 2870143, 7600737, 8610429, 22802211, 25831287, 68406633, 77493861, 777808753, 2333426259, 7000278777, 21000836331]

約数ペア:

[(1, 21000836331), (3, 7000278777), (9, 2333426259), (27, 777808753), (271, 77493861), (307, 68406633), (813, 25831287), (921, 22802211), (2439, 8610429), (2763, 7600737), (7317, 2870143), (8289, 2533579), (9349, 2246319), (28047, 748773), (83197, 252423), (84141, 249591)]