21103659495

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{751}}^1$

素因数の和:1225

約数の個数: 96

約数和(自身を含む): 39254941440

約数和(自身を除く): 18151281945

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 109, 153, 255, 327, 337, 545, 751, 765, 981, 1011, 1635, 1685, 1853, 2253, 3033, 3755, 4905, 5055, 5559, 5729, 6759, 9265, 11265, 12767, 15165, 16677, 17187, 27795, 28645, 33795, 36733, 38301, 51561, 63835, 81859, 83385, 85935, 110199, 114903, 183665, 191505, 245577, 253087, 257805, 330597, 409295, 550995, 574515, 624461, 736731, 759261, 1227885, 1265435, 1391603, 1652985, 1873383, 2277783, 3122305, 3683655, 3796305, 4174809, 4302479, 5620149, 6958015, 9366915, 11388915, 12524427, 12907437, 20874045, 21512395, 27586483, 28100745, 38722311, 62622135, 64537185, 82759449, 137932415, 193611555, 248278347, 413797245, 468970211, 1241391735, 1406910633, 2344851055, 4220731899, 7034553165, 21103659495]

約数ペア:

[(1, 21103659495), (3, 7034553165), (5, 4220731899), (9, 2344851055), (15, 1406910633), (17, 1241391735), (45, 468970211), (51, 413797245), (85, 248278347), (109, 193611555), (153, 137932415), (255, 82759449), (327, 64537185), (337, 62622135), (545, 38722311), (751, 28100745), (765, 27586483), (981, 21512395), (1011, 20874045), (1635, 12907437), (1685, 12524427), (1853, 11388915), (2253, 9366915), (3033, 6958015), (3755, 5620149), (4905, 4302479), (5055, 4174809), (5559, 3796305), (5729, 3683655), (6759, 3122305), (9265, 2277783), (11265, 1873383), (12767, 1652985), (15165, 1391603), (16677, 1265435), (17187, 1227885), (27795, 759261), (28645, 736731), (33795, 624461), (36733, 574515), (38301, 550995), (51561, 409295), (63835, 330597), (81859, 257805), (83385, 253087), (85935, 245577), (110199, 191505), (114903, 183665)]