21133872

素因数分解:

$2^4\times 3^4\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:752

約数の個数: 100

約数和(自身を含む): 63917040

約数和(自身を除く): 42783168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 276, 324, 368, 414, 432, 552, 621, 648, 709, 828, 1104, 1242, 1296, 1418, 1656, 1863, 2127, 2484, 2836, 3312, 3726, 4254, 4968, 5672, 6381, 7452, 8508, 9936, 11344, 12762, 14904, 16307, 17016, 19143, 25524, 29808, 32614, 34032, 38286, 48921, 51048, 57429, 65228, 76572, 97842, 102096, 114858, 130456, 146763, 153144, 195684, 229716, 260912, 293526, 306288, 391368, 440289, 459432, 587052, 782736, 880578, 918864, 1174104, 1320867, 1761156, 2348208, 2641734, 3522312, 5283468, 7044624, 10566936, 21133872]

約数ペア:

[(1, 21133872), (2, 10566936), (3, 7044624), (4, 5283468), (6, 3522312), (8, 2641734), (9, 2348208), (12, 1761156), (16, 1320867), (18, 1174104), (23, 918864), (24, 880578), (27, 782736), (36, 587052), (46, 459432), (48, 440289), (54, 391368), (69, 306288), (72, 293526), (81, 260912), (92, 229716), (108, 195684), (138, 153144), (144, 146763), (162, 130456), (184, 114858), (207, 102096), (216, 97842), (276, 76572), (324, 65228), (368, 57429), (414, 51048), (432, 48921), (552, 38286), (621, 34032), (648, 32614), (709, 29808), (828, 25524), (1104, 19143), (1242, 17016), (1296, 16307), (1418, 14904), (1656, 12762), (1863, 11344), (2127, 9936), (2484, 8508), (2836, 7452), (3312, 6381), (3726, 5672), (4254, 4968)]