21338388

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25771}}^1$

素因数の和:25804

約数の個数: 36

約数和(自身を含む): 56286048

約数和(自身を除く): 34947660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25771, 51542, 77313, 103084, 154626, 231939, 309252, 463878, 592733, 927756, 1185466, 1778199, 2370932, 3556398, 5334597, 7112796, 10669194, 21338388]

約数ペア:

[(1, 21338388), (2, 10669194), (3, 7112796), (4, 5334597), (6, 3556398), (9, 2370932), (12, 1778199), (18, 1185466), (23, 927756), (36, 592733), (46, 463878), (69, 309252), (92, 231939), (138, 154626), (207, 103084), (276, 77313), (414, 51542), (828, 25771)]