21511494

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 80

約数和(自身を含む): 52219728

約数和(自身を除く): 30708234

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 73, 81, 102, 107, 146, 153, 162, 214, 219, 306, 321, 438, 459, 642, 657, 918, 963, 1241, 1314, 1377, 1819, 1926, 1971, 2482, 2754, 2889, 3638, 3723, 3942, 5457, 5778, 5913, 7446, 7811, 8667, 10914, 11169, 11826, 15622, 16371, 17334, 22338, 23433, 32742, 33507, 46866, 49113, 67014, 70299, 98226, 100521, 132787, 140598, 147339, 201042, 210897, 265574, 294678, 398361, 421794, 632691, 796722, 1195083, 1265382, 2390166, 3585249, 7170498, 10755747, 21511494]

約数ペア:

[(1, 21511494), (2, 10755747), (3, 7170498), (6, 3585249), (9, 2390166), (17, 1265382), (18, 1195083), (27, 796722), (34, 632691), (51, 421794), (54, 398361), (73, 294678), (81, 265574), (102, 210897), (107, 201042), (146, 147339), (153, 140598), (162, 132787), (214, 100521), (219, 98226), (306, 70299), (321, 67014), (438, 49113), (459, 46866), (642, 33507), (657, 32742), (918, 23433), (963, 22338), (1241, 17334), (1314, 16371), (1377, 15622), (1819, 11826), (1926, 11169), (1971, 10914), (2482, 8667), (2754, 7811), (2889, 7446), (3638, 5913), (3723, 5778), (3942, 5457)]