21779628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 55154400

約数和(自身を除く): 33374772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 894, 937, 1788, 1874, 1937, 2811, 3748, 3874, 5622, 5811, 7748, 11244, 11622, 12181, 23244, 24362, 36543, 48724, 73086, 139613, 146172, 279226, 418839, 558452, 837678, 1675356, 1814969, 3629938, 5444907, 7259876, 10889814, 21779628]

約数ペア:

[(1, 21779628), (2, 10889814), (3, 7259876), (4, 5444907), (6, 3629938), (12, 1814969), (13, 1675356), (26, 837678), (39, 558452), (52, 418839), (78, 279226), (149, 146172), (156, 139613), (298, 73086), (447, 48724), (596, 36543), (894, 24362), (937, 23244), (1788, 12181), (1874, 11622), (1937, 11244), (2811, 7748), (3748, 5811), (3874, 5622)]