21596172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 57060864

約数和(自身を除く): 35464692

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 299, 338, 463, 507, 598, 676, 897, 926, 1014, 1196, 1389, 1794, 1852, 2028, 2778, 3588, 3887, 5556, 6019, 7774, 10649, 11661, 12038, 15548, 18057, 21298, 23322, 24076, 31947, 36114, 42596, 46644, 63894, 72228, 78247, 127788, 138437, 156494, 234741, 276874, 312988, 415311, 469482, 553748, 830622, 938964, 1661244, 1799681, 3599362, 5399043, 7198724, 10798086, 21596172]

約数ペア:

[(1, 21596172), (2, 10798086), (3, 7198724), (4, 5399043), (6, 3599362), (12, 1799681), (13, 1661244), (23, 938964), (26, 830622), (39, 553748), (46, 469482), (52, 415311), (69, 312988), (78, 276874), (92, 234741), (138, 156494), (156, 138437), (169, 127788), (276, 78247), (299, 72228), (338, 63894), (463, 46644), (507, 42596), (598, 36114), (676, 31947), (897, 24076), (926, 23322), (1014, 21298), (1196, 18057), (1389, 15548), (1794, 12038), (1852, 11661), (2028, 10649), (2778, 7774), (3588, 6019), (3887, 5556)]