21250611866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{85991}}^1$

素因数の和:86290

約数の個数: 32

約数和(自身を含む): 35662602240

約数和(自身を除く): 14411990374

約数列:

[1, 2, 11, 22, 47, 94, 239, 478, 517, 1034, 2629, 5258, 11233, 22466, 85991, 123563, 171982, 247126, 945901, 1891802, 4041577, 8083154, 20551849, 41103698, 44457347, 88914694, 226070339, 452140678, 965936903, 1931873806, 10625305933, 21250611866]

約数ペア:

[(1, 21250611866), (2, 10625305933), (11, 1931873806), (22, 965936903), (47, 452140678), (94, 226070339), (239, 88914694), (478, 44457347), (517, 41103698), (1034, 20551849), (2629, 8083154), (5258, 4041577), (11233, 1891802), (22466, 945901), (85991, 247126), (123563, 171982)]