21620328

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 64

約数和(自身を含む): 60264000

約数和(自身を除く): 38643672

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 408, 456, 646, 969, 1292, 1938, 2584, 2789, 3876, 5578, 7752, 8367, 11156, 16734, 22312, 33468, 47413, 52991, 66936, 94826, 105982, 142239, 158973, 189652, 211964, 284478, 317946, 379304, 423928, 568956, 635892, 900847, 1137912, 1271784, 1801694, 2702541, 3603388, 5405082, 7206776, 10810164, 21620328]

約数ペア:

[(1, 21620328), (2, 10810164), (3, 7206776), (4, 5405082), (6, 3603388), (8, 2702541), (12, 1801694), (17, 1271784), (19, 1137912), (24, 900847), (34, 635892), (38, 568956), (51, 423928), (57, 379304), (68, 317946), (76, 284478), (102, 211964), (114, 189652), (136, 158973), (152, 142239), (204, 105982), (228, 94826), (323, 66936), (408, 52991), (456, 47413), (646, 33468), (969, 22312), (1292, 16734), (1938, 11156), (2584, 8367), (2789, 7752), (3876, 5578)]