21786909045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1$

素因数の和:1955

約数の個数: 128

約数和(自身を含む): 42251673600

約数和(自身を除く): 20464764555

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 199, 253, 255, 345, 391, 561, 597, 759, 935, 995, 1173, 1265, 1697, 1955, 2189, 2805, 2985, 3383, 3795, 4301, 4577, 5091, 5865, 6567, 8485, 10149, 10945, 12903, 13731, 16915, 18667, 21505, 22885, 25455, 28849, 32835, 37213, 39031, 50347, 50745, 56001, 64515, 68655, 77809, 86547, 93335, 111639, 117093, 144245, 151041, 186065, 195155, 233427, 251735, 280005, 317339, 337703, 389045, 429341, 432735, 558195, 585465, 663527, 755205, 855899, 952017, 1013109, 1167135, 1288023, 1586695, 1688515, 1990581, 2146705, 2567697, 3317635, 3714733, 4279495, 4760085, 5065545, 5740951, 6440115, 7298797, 7767169, 9952905, 11144199, 12838485, 17222853, 18573665, 21896391, 23301507, 28704755, 36493985, 38835845, 55720995, 63150461, 85438859, 86114265, 109481955, 116507535, 132041873, 189451383, 256316577, 315752305, 396125619, 427194295, 660209365, 947256915, 1281582885, 1452460603, 1980628095, 4357381809, 7262303015, 21786909045]

約数ペア:

[(1, 21786909045), (3, 7262303015), (5, 4357381809), (11, 1980628095), (15, 1452460603), (17, 1281582885), (23, 947256915), (33, 660209365), (51, 427194295), (55, 396125619), (69, 315752305), (85, 256316577), (115, 189451383), (165, 132041873), (187, 116507535), (199, 109481955), (253, 86114265), (255, 85438859), (345, 63150461), (391, 55720995), (561, 38835845), (597, 36493985), (759, 28704755), (935, 23301507), (995, 21896391), (1173, 18573665), (1265, 17222853), (1697, 12838485), (1955, 11144199), (2189, 9952905), (2805, 7767169), (2985, 7298797), (3383, 6440115), (3795, 5740951), (4301, 5065545), (4577, 4760085), (5091, 4279495), (5865, 3714733), (6567, 3317635), (8485, 2567697), (10149, 2146705), (10945, 1990581), (12903, 1688515), (13731, 1586695), (16915, 1288023), (18667, 1167135), (21505, 1013109), (22885, 952017), (25455, 855899), (28849, 755205), (32835, 663527), (37213, 585465), (39031, 558195), (50347, 432735), (50745, 429341), (56001, 389045), (64515, 337703), (68655, 317339), (77809, 280005), (86547, 251735), (93335, 233427), (111639, 195155), (117093, 186065), (144245, 151041)]