21038136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 60775680

約数和(自身を除く): 39737544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 168, 194, 291, 388, 582, 679, 776, 1164, 1291, 1358, 2037, 2328, 2582, 2716, 3873, 4074, 5164, 5432, 7746, 8148, 9037, 10328, 15492, 16296, 18074, 27111, 30984, 36148, 54222, 72296, 108444, 125227, 216888, 250454, 375681, 500908, 751362, 876589, 1001816, 1502724, 1753178, 2629767, 3005448, 3506356, 5259534, 7012712, 10519068, 21038136]

約数ペア:

[(1, 21038136), (2, 10519068), (3, 7012712), (4, 5259534), (6, 3506356), (7, 3005448), (8, 2629767), (12, 1753178), (14, 1502724), (21, 1001816), (24, 876589), (28, 751362), (42, 500908), (56, 375681), (84, 250454), (97, 216888), (168, 125227), (194, 108444), (291, 72296), (388, 54222), (582, 36148), (679, 30984), (776, 27111), (1164, 18074), (1291, 16296), (1358, 15492), (2037, 10328), (2328, 9037), (2582, 8148), (2716, 7746), (3873, 5432), (4074, 5164)]