21253932

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 67791360

約数和(自身を除く): 46537428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 28, 36, 38, 42, 46, 57, 63, 69, 76, 84, 92, 114, 126, 133, 138, 161, 171, 193, 207, 228, 252, 266, 276, 322, 342, 386, 399, 414, 437, 483, 532, 579, 644, 684, 772, 798, 828, 874, 966, 1158, 1197, 1311, 1351, 1449, 1596, 1737, 1748, 1932, 2316, 2394, 2622, 2702, 2898, 3059, 3474, 3667, 3933, 4053, 4439, 4788, 5244, 5404, 5796, 6118, 6948, 7334, 7866, 8106, 8878, 9177, 11001, 12159, 12236, 13317, 14668, 15732, 16212, 17756, 18354, 22002, 24318, 25669, 26634, 27531, 31073, 33003, 36708, 39951, 44004, 48636, 51338, 53268, 55062, 62146, 66006, 77007, 79902, 84341, 93219, 102676, 110124, 124292, 132012, 154014, 159804, 168682, 186438, 231021, 253023, 279657, 308028, 337364, 372876, 462042, 506046, 559314, 590387, 759069, 924084, 1012092, 1118628, 1180774, 1518138, 1771161, 2361548, 3036276, 3542322, 5313483, 7084644, 10626966, 21253932]

約数ペア:

[(1, 21253932), (2, 10626966), (3, 7084644), (4, 5313483), (6, 3542322), (7, 3036276), (9, 2361548), (12, 1771161), (14, 1518138), (18, 1180774), (19, 1118628), (21, 1012092), (23, 924084), (28, 759069), (36, 590387), (38, 559314), (42, 506046), (46, 462042), (57, 372876), (63, 337364), (69, 308028), (76, 279657), (84, 253023), (92, 231021), (114, 186438), (126, 168682), (133, 159804), (138, 154014), (161, 132012), (171, 124292), (193, 110124), (207, 102676), (228, 93219), (252, 84341), (266, 79902), (276, 77007), (322, 66006), (342, 62146), (386, 55062), (399, 53268), (414, 51338), (437, 48636), (483, 44004), (532, 39951), (579, 36708), (644, 33003), (684, 31073), (772, 27531), (798, 26634), (828, 25669), (874, 24318), (966, 22002), (1158, 18354), (1197, 17756), (1311, 16212), (1351, 15732), (1449, 14668), (1596, 13317), (1737, 12236), (1748, 12159), (1932, 11001), (2316, 9177), (2394, 8878), (2622, 8106), (2702, 7866), (2898, 7334), (3059, 6948), (3474, 6118), (3667, 5796), (3933, 5404), (4053, 5244), (4439, 4788)]