21254694435

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:619

約数の個数: 160

約数和(自身を含む): 41966749440

約数和(自身を除く): 20712055005

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 79, 81, 117, 135, 137, 195, 237, 351, 373, 395, 405, 411, 585, 685, 711, 1027, 1053, 1119, 1185, 1233, 1755, 1781, 1865, 2055, 2133, 3081, 3357, 3555, 3699, 4849, 5135, 5265, 5343, 5595, 6165, 6399, 8905, 9243, 10071, 10665, 10823, 11097, 14547, 15405, 16029, 16785, 18495, 24245, 26715, 27729, 29467, 30213, 31995, 32469, 43641, 46215, 48087, 50355, 51101, 54115, 55485, 72735, 80145, 83187, 88401, 97407, 130923, 138645, 140699, 144261, 147335, 151065, 153303, 162345, 218205, 240435, 255505, 265203, 292221, 383071, 392769, 415935, 422097, 442005, 459909, 487035, 654615, 664313, 703495, 721305, 766515, 795609, 876663, 1149213, 1266291, 1326015, 1379727, 1461105, 1915355, 1963845, 1992939, 2110485, 2299545, 2386827, 3321565, 3447639, 3798873, 3978045, 4036979, 4139181, 4383315, 5746065, 5978817, 6331455, 6898635, 9964695, 10342917, 11396619, 11934135, 12110937, 17238195, 17936451, 18994365, 20184895, 20695905, 29894085, 31028751, 36332811, 51714585, 52480727, 53809353, 56983095, 60554685, 89682255, 108998433, 155143755, 157442181, 181664055, 262403635, 269046765, 326995299, 472326543, 544992165, 787210905, 1416979629, 1634976495, 2361632715, 4250938887, 7084898145, 21254694435]

約数ペア:

[(1, 21254694435), (3, 7084898145), (5, 4250938887), (9, 2361632715), (13, 1634976495), (15, 1416979629), (27, 787210905), (39, 544992165), (45, 472326543), (65, 326995299), (79, 269046765), (81, 262403635), (117, 181664055), (135, 157442181), (137, 155143755), (195, 108998433), (237, 89682255), (351, 60554685), (373, 56983095), (395, 53809353), (405, 52480727), (411, 51714585), (585, 36332811), (685, 31028751), (711, 29894085), (1027, 20695905), (1053, 20184895), (1119, 18994365), (1185, 17936451), (1233, 17238195), (1755, 12110937), (1781, 11934135), (1865, 11396619), (2055, 10342917), (2133, 9964695), (3081, 6898635), (3357, 6331455), (3555, 5978817), (3699, 5746065), (4849, 4383315), (5135, 4139181), (5265, 4036979), (5343, 3978045), (5595, 3798873), (6165, 3447639), (6399, 3321565), (8905, 2386827), (9243, 2299545), (10071, 2110485), (10665, 1992939), (10823, 1963845), (11097, 1915355), (14547, 1461105), (15405, 1379727), (16029, 1326015), (16785, 1266291), (18495, 1149213), (24245, 876663), (26715, 795609), (27729, 766515), (29467, 721305), (30213, 703495), (31995, 664313), (32469, 654615), (43641, 487035), (46215, 459909), (48087, 442005), (50355, 422097), (51101, 415935), (54115, 392769), (55485, 383071), (72735, 292221), (80145, 265203), (83187, 255505), (88401, 240435), (97407, 218205), (130923, 162345), (138645, 153303), (140699, 151065), (144261, 147335)]