21308166

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4679}}^1$

素因数の和:4721

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 31257594

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 207, 253, 414, 506, 759, 1518, 2277, 4554, 4679, 9358, 14037, 28074, 42111, 51469, 84222, 102938, 107617, 154407, 215234, 308814, 322851, 463221, 645702, 926442, 968553, 1183787, 1937106, 2367574, 3551361, 7102722, 10654083, 21308166]

約数ペア:

[(1, 21308166), (2, 10654083), (3, 7102722), (6, 3551361), (9, 2367574), (11, 1937106), (18, 1183787), (22, 968553), (23, 926442), (33, 645702), (46, 463221), (66, 322851), (69, 308814), (99, 215234), (138, 154407), (198, 107617), (207, 102938), (253, 84222), (414, 51469), (506, 42111), (759, 28074), (1518, 14037), (2277, 9358), (4554, 4679)]