21591856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9437}}^1$

素因数の和:9469

約数の個数: 40

約数和(自身を含む): 49153104

約数和(自身を除く): 27561248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9437, 18874, 37748, 75496, 103807, 122681, 150992, 207614, 245362, 415228, 490724, 830456, 981448, 1349491, 1660912, 1962896, 2698982, 5397964, 10795928, 21591856]

約数ペア:

[(1, 21591856), (2, 10795928), (4, 5397964), (8, 2698982), (11, 1962896), (13, 1660912), (16, 1349491), (22, 981448), (26, 830456), (44, 490724), (52, 415228), (88, 245362), (104, 207614), (143, 150992), (176, 122681), (208, 103807), (286, 75496), (572, 37748), (1144, 18874), (2288, 9437)]