21878286

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1123}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 46614528

約数和(自身を除く): 24736242

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 191, 382, 573, 1123, 1146, 2246, 3247, 3369, 6494, 6738, 9741, 19091, 19482, 38182, 57273, 114546, 214493, 428986, 643479, 1286958, 3646381, 7292762, 10939143, 21878286]

約数ペア:

[(1, 21878286), (2, 10939143), (3, 7292762), (6, 3646381), (17, 1286958), (34, 643479), (51, 428986), (102, 214493), (191, 114546), (382, 57273), (573, 38182), (1123, 19482), (1146, 19091), (2246, 9741), (3247, 6738), (3369, 6494)]