21000761343

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{188681}}^1$

素因数の和:188919

約数の個数: 24

約数和(自身を含む): 30906111600

約数和(自身を除く): 9905350257

約数列:

[1, 3, 9, 83, 149, 249, 447, 747, 1341, 12367, 37101, 111303, 188681, 566043, 1698129, 15660523, 28113469, 46981569, 84340407, 140944707, 253021221, 2333417927, 7000253781, 21000761343]

約数ペア:

[(1, 21000761343), (3, 7000253781), (9, 2333417927), (83, 253021221), (149, 140944707), (249, 84340407), (447, 46981569), (747, 28113469), (1341, 15660523), (12367, 1698129), (37101, 566043), (111303, 188681)]