21858824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 44596440

約数和(自身を除く): 22737616

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2081, 2626, 4162, 5252, 8324, 10504, 16648, 27053, 54106, 108212, 210181, 216424, 420362, 840724, 1681448, 2732353, 5464706, 10929412, 21858824]

約数ペア:

[(1, 21858824), (2, 10929412), (4, 5464706), (8, 2732353), (13, 1681448), (26, 840724), (52, 420362), (101, 216424), (104, 210181), (202, 108212), (404, 54106), (808, 27053), (1313, 16648), (2081, 10504), (2626, 8324), (4162, 5252)]