21980976

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4721}}^1$

素因数の和:4829

約数の個数: 40

約数和(自身を含む): 57381744

約数和(自身を除く): 35400768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4656, 4721, 9442, 14163, 18884, 28326, 37768, 56652, 75536, 113304, 226608, 457937, 915874, 1373811, 1831748, 2747622, 3663496, 5495244, 7326992, 10990488, 21980976]

約数ペア:

[(1, 21980976), (2, 10990488), (3, 7326992), (4, 5495244), (6, 3663496), (8, 2747622), (12, 1831748), (16, 1373811), (24, 915874), (48, 457937), (97, 226608), (194, 113304), (291, 75536), (388, 56652), (582, 37768), (776, 28326), (1164, 18884), (1552, 14163), (2328, 9442), (4656, 4721)]