21523744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 25723232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1301, 1504, 2068, 2602, 4136, 5204, 8272, 10408, 14311, 16544, 20816, 28622, 41632, 57244, 61147, 114488, 122294, 228976, 244588, 457952, 489176, 672617, 978352, 1345234, 1956704, 2690468, 5380936, 10761872, 21523744]

約数ペア:

[(1, 21523744), (2, 10761872), (4, 5380936), (8, 2690468), (11, 1956704), (16, 1345234), (22, 978352), (32, 672617), (44, 489176), (47, 457952), (88, 244588), (94, 228976), (176, 122294), (188, 114488), (352, 61147), (376, 57244), (517, 41632), (752, 28622), (1034, 20816), (1301, 16544), (1504, 14311), (2068, 10408), (2602, 8272), (4136, 5204)]