21909634552

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{41659}}^1$

素因数の和:42080

約数の個数: 48

約数和(自身を含む): 44599113000

約数和(自身を除く): 22689478448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 389, 676, 778, 1352, 1556, 3112, 5057, 10114, 20228, 40456, 41659, 65741, 83318, 131482, 166636, 262964, 333272, 525928, 541567, 1083134, 2166268, 4332536, 7040371, 14080742, 16205351, 28161484, 32410702, 56322968, 64821404, 129642808, 210669563, 421339126, 842678252, 1685356504, 2738704319, 5477408638, 10954817276, 21909634552]

約数ペア:

[(1, 21909634552), (2, 10954817276), (4, 5477408638), (8, 2738704319), (13, 1685356504), (26, 842678252), (52, 421339126), (104, 210669563), (169, 129642808), (338, 64821404), (389, 56322968), (676, 32410702), (778, 28161484), (1352, 16205351), (1556, 14080742), (3112, 7040371), (5057, 4332536), (10114, 2166268), (20228, 1083134), (40456, 541567), (41659, 525928), (65741, 333272), (83318, 262964), (131482, 166636)]