21152538

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2273}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 51083136

約数和(自身を除く): 29930598

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 47, 66, 94, 99, 141, 198, 282, 423, 517, 846, 1034, 1551, 2273, 3102, 4546, 4653, 6819, 9306, 13638, 20457, 25003, 40914, 50006, 75009, 106831, 150018, 213662, 225027, 320493, 450054, 640986, 961479, 1175141, 1922958, 2350282, 3525423, 7050846, 10576269, 21152538]

約数ペア:

[(1, 21152538), (2, 10576269), (3, 7050846), (6, 3525423), (9, 2350282), (11, 1922958), (18, 1175141), (22, 961479), (33, 640986), (47, 450054), (66, 320493), (94, 225027), (99, 213662), (141, 150018), (198, 106831), (282, 75009), (423, 50006), (517, 40914), (846, 25003), (1034, 20457), (1551, 13638), (2273, 9306), (3102, 6819), (4546, 4653)]