21184878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24691}}^1$

素因数の和:24720

約数の個数: 32

約数和(自身を含む): 49779072

約数和(自身を除く): 28594194

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 24691, 49382, 74073, 148146, 271601, 320983, 543202, 641966, 814803, 962949, 1629606, 1925898, 3530813, 7061626, 10592439, 21184878]

約数ペア:

[(1, 21184878), (2, 10592439), (3, 7061626), (6, 3530813), (11, 1925898), (13, 1629606), (22, 962949), (26, 814803), (33, 641966), (39, 543202), (66, 320983), (78, 271601), (143, 148146), (286, 74073), (429, 49382), (858, 24691)]