21262488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2963}}^1$

素因数の和:3008

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 38491752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2963, 3588, 5926, 7176, 8889, 11852, 17778, 23704, 35556, 38519, 68149, 71112, 77038, 115557, 136298, 154076, 204447, 231114, 272596, 308152, 408894, 462228, 545192, 817788, 885937, 924456, 1635576, 1771874, 2657811, 3543748, 5315622, 7087496, 10631244, 21262488]

約数ペア:

[(1, 21262488), (2, 10631244), (3, 7087496), (4, 5315622), (6, 3543748), (8, 2657811), (12, 1771874), (13, 1635576), (23, 924456), (24, 885937), (26, 817788), (39, 545192), (46, 462228), (52, 408894), (69, 308152), (78, 272596), (92, 231114), (104, 204447), (138, 154076), (156, 136298), (184, 115557), (276, 77038), (299, 71112), (312, 68149), (552, 38519), (598, 35556), (897, 23704), (1196, 17778), (1794, 11852), (2392, 8889), (2963, 7176), (3588, 5926)]