21496776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 61824000

約数和(自身を除く): 40327224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 199, 398, 597, 643, 796, 1194, 1286, 1393, 1592, 1929, 2388, 2572, 2786, 3858, 4179, 4501, 4776, 5144, 5572, 7716, 8358, 9002, 11144, 13503, 15432, 16716, 18004, 27006, 33432, 36008, 54012, 108024, 127957, 255914, 383871, 511828, 767742, 895699, 1023656, 1535484, 1791398, 2687097, 3070968, 3582796, 5374194, 7165592, 10748388, 21496776]

約数ペア:

[(1, 21496776), (2, 10748388), (3, 7165592), (4, 5374194), (6, 3582796), (7, 3070968), (8, 2687097), (12, 1791398), (14, 1535484), (21, 1023656), (24, 895699), (28, 767742), (42, 511828), (56, 383871), (84, 255914), (168, 127957), (199, 108024), (398, 54012), (597, 36008), (643, 33432), (796, 27006), (1194, 18004), (1286, 16716), (1393, 15432), (1592, 13503), (1929, 11144), (2388, 9002), (2572, 8358), (2786, 7716), (3858, 5572), (4179, 5144), (4501, 4776)]