21306511360

素因数分解:

$2^{12}\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5281}}^1$

素因数の和:5507

約数の個数: 104

約数和(自身を含む): 51398656056

約数和(自身を除く): 30092144696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 512, 640, 788, 985, 1024, 1280, 1576, 1970, 2048, 2560, 3152, 3940, 4096, 5120, 5281, 6304, 7880, 10240, 10562, 12608, 15760, 20480, 21124, 25216, 26405, 31520, 42248, 50432, 52810, 63040, 84496, 100864, 105620, 126080, 168992, 201728, 211240, 252160, 337984, 403456, 422480, 504320, 675968, 806912, 844960, 1008640, 1040357, 1351936, 1689920, 2017280, 2080714, 2703872, 3379840, 4034560, 4161428, 5201785, 5407744, 6759680, 8322856, 10403570, 10815488, 13519360, 16645712, 20807140, 21630976, 27038720, 33291424, 41614280, 54077440, 66582848, 83228560, 108154880, 133165696, 166457120, 266331392, 332914240, 532662784, 665828480, 1065325568, 1331656960, 2130651136, 2663313920, 4261302272, 5326627840, 10653255680, 21306511360]

約数ペア:

[(1, 21306511360), (2, 10653255680), (4, 5326627840), (5, 4261302272), (8, 2663313920), (10, 2130651136), (16, 1331656960), (20, 1065325568), (32, 665828480), (40, 532662784), (64, 332914240), (80, 266331392), (128, 166457120), (160, 133165696), (197, 108154880), (256, 83228560), (320, 66582848), (394, 54077440), (512, 41614280), (640, 33291424), (788, 27038720), (985, 21630976), (1024, 20807140), (1280, 16645712), (1576, 13519360), (1970, 10815488), (2048, 10403570), (2560, 8322856), (3152, 6759680), (3940, 5407744), (4096, 5201785), (5120, 4161428), (5281, 4034560), (6304, 3379840), (7880, 2703872), (10240, 2080714), (10562, 2017280), (12608, 1689920), (15760, 1351936), (20480, 1040357), (21124, 1008640), (25216, 844960), (26405, 806912), (31520, 675968), (42248, 504320), (50432, 422480), (52810, 403456), (63040, 337984), (84496, 252160), (100864, 211240), (105620, 201728), (126080, 168992)]