21591944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1873}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 44526240

約数和(自身を除く): 22934296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1873, 2882, 3746, 5764, 7492, 11528, 14984, 20603, 41206, 82412, 164824, 245363, 490726, 981452, 1962904, 2698993, 5397986, 10795972, 21591944]

約数ペア:

[(1, 21591944), (2, 10795972), (4, 5397986), (8, 2698993), (11, 1962904), (22, 981452), (44, 490726), (88, 245363), (131, 164824), (262, 82412), (524, 41206), (1048, 20603), (1441, 14984), (1873, 11528), (2882, 7492), (3746, 5764)]