21297584

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 31199056

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 59, 77, 88, 112, 118, 154, 176, 236, 293, 308, 413, 472, 586, 616, 649, 826, 944, 1172, 1232, 1298, 1652, 2051, 2344, 2596, 3223, 3304, 4102, 4543, 4688, 5192, 6446, 6608, 8204, 9086, 10384, 12892, 16408, 17287, 18172, 22561, 25784, 32816, 34574, 36344, 45122, 51568, 69148, 72688, 90244, 121009, 138296, 180488, 190157, 242018, 276592, 360976, 380314, 484036, 760628, 968072, 1331099, 1521256, 1936144, 2662198, 3042512, 5324396, 10648792, 21297584]

約数ペア:

[(1, 21297584), (2, 10648792), (4, 5324396), (7, 3042512), (8, 2662198), (11, 1936144), (14, 1521256), (16, 1331099), (22, 968072), (28, 760628), (44, 484036), (56, 380314), (59, 360976), (77, 276592), (88, 242018), (112, 190157), (118, 180488), (154, 138296), (176, 121009), (236, 90244), (293, 72688), (308, 69148), (413, 51568), (472, 45122), (586, 36344), (616, 34574), (649, 32816), (826, 25784), (944, 22561), (1172, 18172), (1232, 17287), (1298, 16408), (1652, 12892), (2051, 10384), (2344, 9086), (2596, 8204), (3223, 6608), (3304, 6446), (4102, 5192), (4543, 4688)]