21149939162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{424817}}^1$

素因数の和:424934

約数の個数: 32

約数和(自身を含む): 36214884864

約数和(自身を除く): 15064945702

約数列:

[1, 2, 11, 22, 31, 62, 73, 146, 341, 682, 803, 1606, 2263, 4526, 24893, 49786, 424817, 849634, 4672987, 9345974, 13169327, 26338654, 31011641, 62023282, 144862597, 289725194, 341128051, 682256102, 961360871, 1922721742, 10574969581, 21149939162]

約数ペア:

[(1, 21149939162), (2, 10574969581), (11, 1922721742), (22, 961360871), (31, 682256102), (62, 341128051), (73, 289725194), (146, 144862597), (341, 62023282), (682, 31011641), (803, 26338654), (1606, 13169327), (2263, 9345974), (4526, 4672987), (24893, 849634), (49786, 424817)]