21532201744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1\times {\mathrm{1699}}^1$

素因数の和:2660

約数の個数: 80

約数和(自身を含む): 44925696000

約数和(自身を除く): 23393494256

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 887, 893, 1699, 1774, 1786, 3398, 3548, 3572, 6796, 7096, 7144, 13592, 14192, 14288, 16853, 27184, 32281, 33706, 41689, 64562, 67412, 79853, 83378, 129124, 134824, 159706, 166756, 258248, 269648, 319412, 333512, 516496, 638824, 667024, 792091, 1277648, 1507013, 1517207, 1584182, 3014026, 3034414, 3168364, 6028052, 6068828, 6336728, 12056104, 12137656, 12673456, 24112208, 24275312, 28633247, 57266494, 70829611, 114532988, 141659222, 229065976, 283318444, 458131952, 566636888, 1133273776, 1345762609, 2691525218, 5383050436, 10766100872, 21532201744]

約数ペア:

[(1, 21532201744), (2, 10766100872), (4, 5383050436), (8, 2691525218), (16, 1345762609), (19, 1133273776), (38, 566636888), (47, 458131952), (76, 283318444), (94, 229065976), (152, 141659222), (188, 114532988), (304, 70829611), (376, 57266494), (752, 28633247), (887, 24275312), (893, 24112208), (1699, 12673456), (1774, 12137656), (1786, 12056104), (3398, 6336728), (3548, 6068828), (3572, 6028052), (6796, 3168364), (7096, 3034414), (7144, 3014026), (13592, 1584182), (14192, 1517207), (14288, 1507013), (16853, 1277648), (27184, 792091), (32281, 667024), (33706, 638824), (41689, 516496), (64562, 333512), (67412, 319412), (79853, 269648), (83378, 258248), (129124, 166756), (134824, 159706)]