21079576

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9181}}^1$

素因数の和:9235

約数の個数: 32

約数和(自身を含む): 46277280

約数和(自身を除く): 25197704

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9181, 18362, 36724, 64267, 73448, 128534, 257068, 376421, 514136, 752842, 1505684, 2634947, 3011368, 5269894, 10539788, 21079576]

約数ペア:

[(1, 21079576), (2, 10539788), (4, 5269894), (7, 3011368), (8, 2634947), (14, 1505684), (28, 752842), (41, 514136), (56, 376421), (82, 257068), (164, 128534), (287, 73448), (328, 64267), (574, 36724), (1148, 18362), (2296, 9181)]