21696532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 45243072

約数和(自身を除く): 23546540

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 286, 332, 457, 572, 913, 914, 1079, 1826, 1828, 2158, 3652, 4316, 5027, 5941, 10054, 11869, 11882, 20108, 23738, 23764, 37931, 47476, 65351, 75862, 130702, 151724, 261404, 417241, 493103, 834482, 986206, 1668964, 1972412, 5424133, 10848266, 21696532]

約数ペア:

[(1, 21696532), (2, 10848266), (4, 5424133), (11, 1972412), (13, 1668964), (22, 986206), (26, 834482), (44, 493103), (52, 417241), (83, 261404), (143, 151724), (166, 130702), (286, 75862), (332, 65351), (457, 47476), (572, 37931), (913, 23764), (914, 23738), (1079, 20108), (1826, 11882), (1828, 11869), (2158, 10054), (3652, 5941), (4316, 5027)]