21242984

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16493}}^1$

素因数の和:16529

約数の個数: 32

約数和(自身を含む): 47502720

約数和(自身を除く): 26259736

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16493, 32986, 65972, 115451, 131944, 230902, 379339, 461804, 758678, 923608, 1517356, 2655373, 3034712, 5310746, 10621492, 21242984]

約数ペア:

[(1, 21242984), (2, 10621492), (4, 5310746), (7, 3034712), (8, 2655373), (14, 1517356), (23, 923608), (28, 758678), (46, 461804), (56, 379339), (92, 230902), (161, 131944), (184, 115451), (322, 65972), (644, 32986), (1288, 16493)]