21084952

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8011}}^1$

素因数の和:8071

約数の個数: 32

約数和(自身を含む): 46149120

約数和(自身を除く): 25064168

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8011, 16022, 32044, 56077, 64088, 112154, 224308, 376517, 448616, 753034, 1506068, 2635619, 3012136, 5271238, 10542476, 21084952]

約数ペア:

[(1, 21084952), (2, 10542476), (4, 5271238), (7, 3012136), (8, 2635619), (14, 1506068), (28, 753034), (47, 448616), (56, 376517), (94, 224308), (188, 112154), (329, 64088), (376, 56077), (658, 32044), (1316, 16022), (2632, 8011)]