21075692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 21260308

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 83, 116, 166, 199, 319, 332, 398, 638, 796, 913, 1276, 1826, 2189, 2407, 3652, 4378, 4814, 5771, 8756, 9628, 11542, 16517, 23084, 26477, 33034, 52954, 63481, 66068, 105908, 126962, 181687, 253924, 363374, 478993, 726748, 957986, 1915972, 5268923, 10537846, 21075692]

約数ペア:

[(1, 21075692), (2, 10537846), (4, 5268923), (11, 1915972), (22, 957986), (29, 726748), (44, 478993), (58, 363374), (83, 253924), (116, 181687), (166, 126962), (199, 105908), (319, 66068), (332, 63481), (398, 52954), (638, 33034), (796, 26477), (913, 23084), (1276, 16517), (1826, 11542), (2189, 9628), (2407, 8756), (3652, 5771), (4378, 4814)]