21836704059

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{263}}^1\times {\mathrm{6529}}^1$

素因数の和:6961

約数の個数: 40

約数和(自身を含む): 32957902560

約数和(自身を除く): 11121198501

約数列:

[1, 3, 9, 27, 81, 157, 263, 471, 789, 1413, 2367, 4239, 6529, 7101, 12717, 19587, 21303, 41291, 58761, 123873, 176283, 371619, 528849, 1025053, 1114857, 1717127, 3075159, 3344571, 5151381, 9225477, 15454143, 27676431, 46362429, 83029293, 139087287, 269588939, 808766817, 2426300451, 7278901353, 21836704059]

約数ペア:

[(1, 21836704059), (3, 7278901353), (9, 2426300451), (27, 808766817), (81, 269588939), (157, 139087287), (263, 83029293), (471, 46362429), (789, 27676431), (1413, 15454143), (2367, 9225477), (4239, 5151381), (6529, 3344571), (7101, 3075159), (12717, 1717127), (19587, 1114857), (21303, 1025053), (41291, 528849), (58761, 371619), (123873, 176283)]