21182824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 42968520

約数和(自身を除く): 21785696

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 577, 706, 1154, 1412, 2308, 2824, 4589, 4616, 7501, 9178, 15002, 18356, 30004, 36712, 60008, 203681, 407362, 814724, 1629448, 2647853, 5295706, 10591412, 21182824]

約数ペア:

[(1, 21182824), (2, 10591412), (4, 5295706), (8, 2647853), (13, 1629448), (26, 814724), (52, 407362), (104, 203681), (353, 60008), (577, 36712), (706, 30004), (1154, 18356), (1412, 15002), (2308, 9178), (2824, 7501), (4589, 4616)]