21656124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4559

約数の個数: 72

約数和(自身を含む): 65869440

約数和(自身を除く): 44213316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4523, 4788, 9046, 13569, 18092, 27138, 31661, 40707, 54276, 63322, 81414, 85937, 94983, 126644, 162828, 171874, 189966, 257811, 284949, 343748, 379932, 515622, 569898, 601559, 773433, 1031244, 1139796, 1203118, 1546866, 1804677, 2406236, 3093732, 3609354, 5414031, 7218708, 10828062, 21656124]

約数ペア:

[(1, 21656124), (2, 10828062), (3, 7218708), (4, 5414031), (6, 3609354), (7, 3093732), (9, 2406236), (12, 1804677), (14, 1546866), (18, 1203118), (19, 1139796), (21, 1031244), (28, 773433), (36, 601559), (38, 569898), (42, 515622), (57, 379932), (63, 343748), (76, 284949), (84, 257811), (114, 189966), (126, 171874), (133, 162828), (171, 126644), (228, 94983), (252, 85937), (266, 81414), (342, 63322), (399, 54276), (532, 40707), (684, 31661), (798, 27138), (1197, 18092), (1596, 13569), (2394, 9046), (4523, 4788)]