21686048

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16529}}^1$

素因数の和:16580

約数の個数: 24

約数和(自身を含む): 43738380

約数和(自身を除く): 22052332

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16529, 33058, 66116, 132232, 264464, 528928, 677689, 1355378, 2710756, 5421512, 10843024, 21686048]

約数ペア:

[(1, 21686048), (2, 10843024), (4, 5421512), (8, 2710756), (16, 1355378), (32, 677689), (41, 528928), (82, 264464), (164, 132232), (328, 66116), (656, 33058), (1312, 16529)]