21488716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 39561984

約数和(自身を除く): 18073268

約数列:

[1, 2, 4, 23, 46, 92, 131, 262, 524, 1783, 3013, 3566, 6026, 7132, 12052, 41009, 82018, 164036, 233573, 467146, 934292, 5372179, 10744358, 21488716]

約数ペア:

[(1, 21488716), (2, 10744358), (4, 5372179), (23, 934292), (46, 467146), (92, 233573), (131, 164036), (262, 82018), (524, 41009), (1783, 12052), (3013, 7132), (3566, 6026)]