21000766974753

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{145453813}}^1$

素因数の和:145454001

約数の個数: 32

約数和(自身を含む): 31418023824000

約数和(自身を除く): 10417256849247

約数列:

[1, 3, 17, 19, 51, 57, 149, 323, 447, 969, 2533, 2831, 7599, 8493, 48127, 144381, 145453813, 436361439, 2472714821, 2763622447, 7418144463, 8290867341, 21672618137, 46981581599, 65017854411, 140944744797, 368434508329, 411779744603, 1105303524987, 1235339233809, 7000255658251, 21000766974753]

約数ペア:

[(1, 21000766974753), (3, 7000255658251), (17, 1235339233809), (19, 1105303524987), (51, 411779744603), (57, 368434508329), (149, 140944744797), (323, 65017854411), (447, 46981581599), (969, 21672618137), (2533, 8290867341), (2831, 7418144463), (7599, 2763622447), (8493, 2472714821), (48127, 436361439), (144381, 145453813)]