21137184

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3191}}^1$

素因数の和:3230

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 41604768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3191, 3312, 6382, 6624, 9573, 12764, 19146, 25528, 28719, 38292, 51056, 57438, 73393, 76584, 102112, 114876, 146786, 153168, 220179, 229752, 293572, 306336, 440358, 459504, 587144, 660537, 880716, 919008, 1174288, 1321074, 1761432, 2348576, 2642148, 3522864, 5284296, 7045728, 10568592, 21137184]

約数ペア:

[(1, 21137184), (2, 10568592), (3, 7045728), (4, 5284296), (6, 3522864), (8, 2642148), (9, 2348576), (12, 1761432), (16, 1321074), (18, 1174288), (23, 919008), (24, 880716), (32, 660537), (36, 587144), (46, 459504), (48, 440358), (69, 306336), (72, 293572), (92, 229752), (96, 220179), (138, 153168), (144, 146786), (184, 114876), (207, 102112), (276, 76584), (288, 73393), (368, 57438), (414, 51056), (552, 38292), (736, 28719), (828, 25528), (1104, 19146), (1656, 12764), (2208, 9573), (3191, 6624), (3312, 6382)]