21027608

素因数分解:

$2^3\times 7^1\times {\mathrm{463}}^1\times {\mathrm{811}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 45212160

約数和(自身を除く): 24184552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 463, 811, 926, 1622, 1852, 3241, 3244, 3704, 5677, 6482, 6488, 11354, 12964, 22708, 25928, 45416, 375493, 750986, 1501972, 2628451, 3003944, 5256902, 10513804, 21027608]

約数ペア:

[(1, 21027608), (2, 10513804), (4, 5256902), (7, 3003944), (8, 2628451), (14, 1501972), (28, 750986), (56, 375493), (463, 45416), (811, 25928), (926, 22708), (1622, 12964), (1852, 11354), (3241, 6488), (3244, 6482), (3704, 5677)]