21487554

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2375

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30404286

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 47, 66, 94, 99, 141, 198, 282, 423, 517, 846, 1034, 1551, 2309, 3102, 4618, 4653, 6927, 9306, 13854, 20781, 25399, 41562, 50798, 76197, 108523, 152394, 217046, 228591, 325569, 457182, 651138, 976707, 1193753, 1953414, 2387506, 3581259, 7162518, 10743777, 21487554]

約数ペア:

[(1, 21487554), (2, 10743777), (3, 7162518), (6, 3581259), (9, 2387506), (11, 1953414), (18, 1193753), (22, 976707), (33, 651138), (47, 457182), (66, 325569), (94, 228591), (99, 217046), (141, 152394), (198, 108523), (282, 76197), (423, 50798), (517, 41562), (846, 25399), (1034, 20781), (1551, 13854), (2309, 9306), (3102, 6927), (4618, 4653)]