21154278192

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1\times {\mathrm{11617}}^1$

素因数の和:12330

約数の個数: 80

約数和(自身を含む): 55666020480

約数和(自身を除く): 34511742288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 177, 236, 354, 472, 643, 708, 944, 1286, 1416, 1929, 2572, 2832, 3858, 5144, 7716, 10288, 11617, 15432, 23234, 30864, 34851, 37937, 46468, 69702, 75874, 92936, 113811, 139404, 151748, 185872, 227622, 278808, 303496, 455244, 557616, 606992, 685403, 910488, 1370806, 1820976, 2056209, 2741612, 4112418, 5483224, 7469731, 8224836, 10966448, 14939462, 16449672, 22409193, 29878924, 32899344, 44818386, 59757848, 89636772, 119515696, 179273544, 358547088, 440714129, 881428258, 1322142387, 1762856516, 2644284774, 3525713032, 5288569548, 7051426064, 10577139096, 21154278192]

約数ペア:

[(1, 21154278192), (2, 10577139096), (3, 7051426064), (4, 5288569548), (6, 3525713032), (8, 2644284774), (12, 1762856516), (16, 1322142387), (24, 881428258), (48, 440714129), (59, 358547088), (118, 179273544), (177, 119515696), (236, 89636772), (354, 59757848), (472, 44818386), (643, 32899344), (708, 29878924), (944, 22409193), (1286, 16449672), (1416, 14939462), (1929, 10966448), (2572, 8224836), (2832, 7469731), (3858, 5483224), (5144, 4112418), (7716, 2741612), (10288, 2056209), (11617, 1820976), (15432, 1370806), (23234, 910488), (30864, 685403), (34851, 606992), (37937, 557616), (46468, 455244), (69702, 303496), (75874, 278808), (92936, 227622), (113811, 185872), (139404, 151748)]