21209244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 60587520

約数和(自身を除く): 39378276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 97, 114, 133, 137, 194, 228, 266, 274, 291, 388, 399, 411, 532, 548, 582, 679, 798, 822, 959, 1164, 1358, 1596, 1644, 1843, 1918, 2037, 2603, 2716, 2877, 3686, 3836, 4074, 5206, 5529, 5754, 7372, 7809, 8148, 10412, 11058, 11508, 12901, 13289, 15618, 18221, 22116, 25802, 26578, 31236, 36442, 38703, 39867, 51604, 53156, 54663, 72884, 77406, 79734, 93023, 109326, 154812, 159468, 186046, 218652, 252491, 279069, 372092, 504982, 558138, 757473, 1009964, 1116276, 1514946, 1767437, 3029892, 3534874, 5302311, 7069748, 10604622, 21209244]

約数ペア:

[(1, 21209244), (2, 10604622), (3, 7069748), (4, 5302311), (6, 3534874), (7, 3029892), (12, 1767437), (14, 1514946), (19, 1116276), (21, 1009964), (28, 757473), (38, 558138), (42, 504982), (57, 372092), (76, 279069), (84, 252491), (97, 218652), (114, 186046), (133, 159468), (137, 154812), (194, 109326), (228, 93023), (266, 79734), (274, 77406), (291, 72884), (388, 54663), (399, 53156), (411, 51604), (532, 39867), (548, 38703), (582, 36442), (679, 31236), (798, 26578), (822, 25802), (959, 22116), (1164, 18221), (1358, 15618), (1596, 13289), (1644, 12901), (1843, 11508), (1918, 11058), (2037, 10412), (2603, 8148), (2716, 7809), (2877, 7372), (3686, 5754), (3836, 5529), (4074, 5206)]