21491105966

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{187751}}^1$

素因数の和:187829

約数の個数: 32

約数和(自身を含む): 36282698496

約数和(自身を除く): 14791592530

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 1331, 2662, 5203, 10406, 57233, 114466, 187751, 375502, 2065261, 4130522, 8073293, 16146586, 22717871, 45435742, 88806223, 177612446, 249896581, 499793162, 976868453, 1953736906, 10745552983, 21491105966]

約数ペア:

[(1, 21491105966), (2, 10745552983), (11, 1953736906), (22, 976868453), (43, 499793162), (86, 249896581), (121, 177612446), (242, 88806223), (473, 45435742), (946, 22717871), (1331, 16146586), (2662, 8073293), (5203, 4130522), (10406, 2065261), (57233, 375502), (114466, 187751)]