21103152

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 62829312

約数和(自身を除く): 41726160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 181, 336, 347, 362, 543, 694, 724, 1041, 1086, 1267, 1388, 1448, 2082, 2172, 2429, 2534, 2776, 2896, 3801, 4164, 4344, 4858, 5068, 5552, 7287, 7602, 8328, 8688, 9716, 10136, 14574, 15204, 16656, 19432, 20272, 29148, 30408, 38864, 58296, 60816, 62807, 116592, 125614, 188421, 251228, 376842, 439649, 502456, 753684, 879298, 1004912, 1318947, 1507368, 1758596, 2637894, 3014736, 3517192, 5275788, 7034384, 10551576, 21103152]

約数ペア:

[(1, 21103152), (2, 10551576), (3, 7034384), (4, 5275788), (6, 3517192), (7, 3014736), (8, 2637894), (12, 1758596), (14, 1507368), (16, 1318947), (21, 1004912), (24, 879298), (28, 753684), (42, 502456), (48, 439649), (56, 376842), (84, 251228), (112, 188421), (168, 125614), (181, 116592), (336, 62807), (347, 60816), (362, 58296), (543, 38864), (694, 30408), (724, 29148), (1041, 20272), (1086, 19432), (1267, 16656), (1388, 15204), (1448, 14574), (2082, 10136), (2172, 9716), (2429, 8688), (2534, 8328), (2776, 7602), (2896, 7287), (3801, 5552), (4164, 5068), (4344, 4858)]