21166656

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15749}}^1$

素因数の和:15771

約数の個数: 56

約数和(自身を含む): 64008000

約数和(自身を除く): 42841344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15749, 31498, 47247, 62996, 94494, 110243, 125992, 188988, 220486, 251984, 330729, 377976, 440972, 503968, 661458, 755952, 881944, 1007936, 1322916, 1511904, 1763888, 2645832, 3023808, 3527776, 5291664, 7055552, 10583328, 21166656]

約数ペア:

[(1, 21166656), (2, 10583328), (3, 7055552), (4, 5291664), (6, 3527776), (7, 3023808), (8, 2645832), (12, 1763888), (14, 1511904), (16, 1322916), (21, 1007936), (24, 881944), (28, 755952), (32, 661458), (42, 503968), (48, 440972), (56, 377976), (64, 330729), (84, 251984), (96, 220486), (112, 188988), (168, 125992), (192, 110243), (224, 94494), (336, 62996), (448, 47247), (672, 31498), (1344, 15749)]