21084294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 32663418

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 66, 77, 94, 141, 154, 231, 282, 329, 462, 517, 658, 971, 987, 1034, 1551, 1942, 1974, 2913, 3102, 3619, 5826, 6797, 7238, 10681, 10857, 13594, 20391, 21362, 21714, 32043, 40782, 45637, 64086, 74767, 91274, 136911, 149534, 224301, 273822, 319459, 448602, 502007, 638918, 958377, 1004014, 1506021, 1916754, 3012042, 3514049, 7028098, 10542147, 21084294]

約数ペア:

[(1, 21084294), (2, 10542147), (3, 7028098), (6, 3514049), (7, 3012042), (11, 1916754), (14, 1506021), (21, 1004014), (22, 958377), (33, 638918), (42, 502007), (47, 448602), (66, 319459), (77, 273822), (94, 224301), (141, 149534), (154, 136911), (231, 91274), (282, 74767), (329, 64086), (462, 45637), (517, 40782), (658, 32043), (971, 21714), (987, 21362), (1034, 20391), (1551, 13594), (1942, 10857), (1974, 10681), (2913, 7238), (3102, 6797), (3619, 5826)]