21927784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66853}}^1$

素因数の和:66900

約数の個数: 16

約数和(自身を含む): 42118020

約数和(自身を除く): 20190236

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66853, 133706, 267412, 534824, 2740973, 5481946, 10963892, 21927784]

約数ペア:

[(1, 21927784), (2, 10963892), (4, 5481946), (8, 2740973), (41, 534824), (82, 267412), (164, 133706), (328, 66853)]