21138032157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{929}}^1\times {\mathrm{2861}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 30917842560

約数和(自身を除く): 9779810403

約数列:

[1, 3, 11, 33, 241, 723, 929, 2651, 2787, 2861, 7953, 8583, 10219, 30657, 31471, 94413, 223889, 671667, 689501, 2068503, 2462779, 2657869, 7388337, 7584511, 7973607, 22753533, 29236559, 87709677, 640546429, 1921639287, 7046010719, 21138032157]

約数ペア:

[(1, 21138032157), (3, 7046010719), (11, 1921639287), (33, 640546429), (241, 87709677), (723, 29236559), (929, 22753533), (2651, 7973607), (2787, 7584511), (2861, 7388337), (7953, 2657869), (8583, 2462779), (10219, 2068503), (30657, 689501), (31471, 671667), (94413, 223889)]