21379677228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151771}}^1$

素因数の和:151844

約数の個数: 144

約数和(自身を含む): 68061849856

約数和(自身を除く): 46682172628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 43, 52, 63, 78, 84, 86, 91, 117, 126, 129, 156, 172, 182, 234, 252, 258, 273, 301, 364, 387, 468, 516, 546, 559, 602, 774, 819, 903, 1092, 1118, 1204, 1548, 1638, 1677, 1806, 2236, 2709, 3276, 3354, 3612, 3913, 5031, 5418, 6708, 7826, 10062, 10836, 11739, 15652, 20124, 23478, 35217, 46956, 70434, 140868, 151771, 303542, 455313, 607084, 910626, 1062397, 1365939, 1821252, 1973023, 2124794, 2731878, 3187191, 3946046, 4249588, 5463756, 5919069, 6374382, 6526153, 7892092, 9561573, 11838138, 12748764, 13052306, 13811161, 17757207, 19123146, 19578459, 23676276, 26104612, 27622322, 35514414, 38246292, 39156918, 41433483, 45683071, 55244644, 58735377, 71028828, 78313836, 82866966, 84839989, 91366142, 117470754, 124300449, 137049213, 165733932, 169679978, 182732284, 234941508, 248600898, 254519967, 274098426, 339359956, 411147639, 497201796, 509039934, 548196852, 593879923, 763559901, 822295278, 1018079868, 1187759846, 1527119802, 1644590556, 1781639769, 2375519692, 3054239604, 3563279538, 5344919307, 7126559076, 10689838614, 21379677228]

約数ペア:

[(1, 21379677228), (2, 10689838614), (3, 7126559076), (4, 5344919307), (6, 3563279538), (7, 3054239604), (9, 2375519692), (12, 1781639769), (13, 1644590556), (14, 1527119802), (18, 1187759846), (21, 1018079868), (26, 822295278), (28, 763559901), (36, 593879923), (39, 548196852), (42, 509039934), (43, 497201796), (52, 411147639), (63, 339359956), (78, 274098426), (84, 254519967), (86, 248600898), (91, 234941508), (117, 182732284), (126, 169679978), (129, 165733932), (156, 137049213), (172, 124300449), (182, 117470754), (234, 91366142), (252, 84839989), (258, 82866966), (273, 78313836), (301, 71028828), (364, 58735377), (387, 55244644), (468, 45683071), (516, 41433483), (546, 39156918), (559, 38246292), (602, 35514414), (774, 27622322), (819, 26104612), (903, 23676276), (1092, 19578459), (1118, 19123146), (1204, 17757207), (1548, 13811161), (1638, 13052306), (1677, 12748764), (1806, 11838138), (2236, 9561573), (2709, 7892092), (3276, 6526153), (3354, 6374382), (3612, 5919069), (3913, 5463756), (5031, 4249588), (5418, 3946046), (6708, 3187191), (7826, 2731878), (10062, 2124794), (10836, 1973023), (11739, 1821252), (15652, 1365939), (20124, 1062397), (23478, 910626), (35217, 607084), (46956, 455313), (70434, 303542), (140868, 151771)]