21080590982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{209353}}^1$

素因数の和:209588

約数の個数: 32

約数和(自身を含む): 36176371200

約数和(自身を除く): 15095780218

約数列:

[1, 2, 11, 22, 23, 46, 199, 253, 398, 506, 2189, 4378, 4577, 9154, 50347, 100694, 209353, 418706, 2302883, 4605766, 4815119, 9630238, 41661247, 52966309, 83322494, 105932618, 458273717, 916547434, 958208681, 1916417362, 10540295491, 21080590982]

約数ペア:

[(1, 21080590982), (2, 10540295491), (11, 1916417362), (22, 958208681), (23, 916547434), (46, 458273717), (199, 105932618), (253, 83322494), (398, 52966309), (506, 41661247), (2189, 9630238), (4378, 4815119), (4577, 4605766), (9154, 2302883), (50347, 418706), (100694, 209353)]