21000746718

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{6173059}}^1$

素因数の和:6173083

約数の個数: 48

約数和(自身を含む): 53927852160

約数和(自身を除く): 32927105442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 6173059, 12346118, 18519177, 37038354, 43211413, 55557531, 86422826, 111115062, 129634239, 166672593, 259268478, 333345186, 388902717, 500017779, 777805434, 1000035558, 1166708151, 1500053337, 2333416302, 3000106674, 3500124453, 7000248906, 10500373359, 21000746718]

約数ペア:

[(1, 21000746718), (2, 10500373359), (3, 7000248906), (6, 3500124453), (7, 3000106674), (9, 2333416302), (14, 1500053337), (18, 1166708151), (21, 1000035558), (27, 777805434), (42, 500017779), (54, 388902717), (63, 333345186), (81, 259268478), (126, 166672593), (162, 129634239), (189, 111115062), (243, 86422826), (378, 55557531), (486, 43211413), (567, 37038354), (1134, 18519177), (1701, 12346118), (3402, 6173059)]