21130116903

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{32789}}^1$

素因数の和:33048

約数の個数: 48

約数和(自身を含む): 35724836160

約数和(自身を除く): 14594719257

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 193, 371, 477, 579, 1113, 1351, 1737, 3339, 4053, 10229, 12159, 30687, 32789, 71603, 92061, 98367, 214809, 229523, 295101, 644427, 688569, 1737817, 2065707, 5213451, 6328277, 12164719, 15640353, 18984831, 36494157, 44297939, 56954493, 109482471, 132893817, 335398681, 398681451, 1006196043, 2347790767, 3018588129, 7043372301, 21130116903]

約数ペア:

[(1, 21130116903), (3, 7043372301), (7, 3018588129), (9, 2347790767), (21, 1006196043), (53, 398681451), (63, 335398681), (159, 132893817), (193, 109482471), (371, 56954493), (477, 44297939), (579, 36494157), (1113, 18984831), (1351, 15640353), (1737, 12164719), (3339, 6328277), (4053, 5213451), (10229, 2065707), (12159, 1737817), (30687, 688569), (32789, 644427), (71603, 295101), (92061, 229523), (98367, 214809)]