21647184

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 60954432

約数和(自身を除く): 39307248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 113, 156, 208, 226, 307, 312, 339, 452, 614, 624, 678, 904, 921, 1228, 1356, 1469, 1808, 1842, 2456, 2712, 2938, 3684, 3991, 4407, 4912, 5424, 5876, 7368, 7982, 8814, 11752, 11973, 14736, 15964, 17628, 23504, 23946, 31928, 34691, 35256, 47892, 63856, 69382, 70512, 95784, 104073, 138764, 191568, 208146, 277528, 416292, 450983, 555056, 832584, 901966, 1352949, 1665168, 1803932, 2705898, 3607864, 5411796, 7215728, 10823592, 21647184]

約数ペア:

[(1, 21647184), (2, 10823592), (3, 7215728), (4, 5411796), (6, 3607864), (8, 2705898), (12, 1803932), (13, 1665168), (16, 1352949), (24, 901966), (26, 832584), (39, 555056), (48, 450983), (52, 416292), (78, 277528), (104, 208146), (113, 191568), (156, 138764), (208, 104073), (226, 95784), (307, 70512), (312, 69382), (339, 63856), (452, 47892), (614, 35256), (624, 34691), (678, 31928), (904, 23946), (921, 23504), (1228, 17628), (1356, 15964), (1469, 14736), (1808, 11973), (1842, 11752), (2456, 8814), (2712, 7982), (2938, 7368), (3684, 5876), (3991, 5424), (4407, 4912)]