21887768

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9533}}^1$

素因数の和:9587

約数の個数: 32

約数和(自身を含む): 48051360

約数和(自身を除く): 26163592

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9533, 19066, 38132, 66731, 76264, 133462, 266924, 390853, 533848, 781706, 1563412, 2735971, 3126824, 5471942, 10943884, 21887768]

約数ペア:

[(1, 21887768), (2, 10943884), (4, 5471942), (7, 3126824), (8, 2735971), (14, 1563412), (28, 781706), (41, 533848), (56, 390853), (82, 266924), (164, 133462), (287, 76264), (328, 66731), (574, 38132), (1148, 19066), (2296, 9533)]