21839496

素因数分解:

$2^3\times 3^1\times 7^4\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 63862800

約数和(自身を除く): 42023304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 379, 392, 588, 686, 758, 1029, 1137, 1176, 1372, 1516, 2058, 2274, 2401, 2653, 2744, 3032, 4116, 4548, 4802, 5306, 7203, 7959, 8232, 9096, 9604, 10612, 14406, 15918, 18571, 19208, 21224, 28812, 31836, 37142, 55713, 57624, 63672, 74284, 111426, 129997, 148568, 222852, 259994, 389991, 445704, 519988, 779982, 909979, 1039976, 1559964, 1819958, 2729937, 3119928, 3639916, 5459874, 7279832, 10919748, 21839496]

約数ペア:

[(1, 21839496), (2, 10919748), (3, 7279832), (4, 5459874), (6, 3639916), (7, 3119928), (8, 2729937), (12, 1819958), (14, 1559964), (21, 1039976), (24, 909979), (28, 779982), (42, 519988), (49, 445704), (56, 389991), (84, 259994), (98, 222852), (147, 148568), (168, 129997), (196, 111426), (294, 74284), (343, 63672), (379, 57624), (392, 55713), (588, 37142), (686, 31836), (758, 28812), (1029, 21224), (1137, 19208), (1176, 18571), (1372, 15918), (1516, 14406), (2058, 10612), (2274, 9604), (2401, 9096), (2653, 8232), (2744, 7959), (3032, 7203), (4116, 5306), (4548, 4802)]