21787752

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 42562968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 97, 98, 147, 168, 191, 194, 196, 291, 294, 382, 388, 392, 573, 582, 588, 679, 764, 776, 1146, 1164, 1176, 1337, 1358, 1528, 2037, 2292, 2328, 2674, 2716, 4011, 4074, 4584, 4753, 5348, 5432, 8022, 8148, 9359, 9506, 10696, 14259, 16044, 16296, 18527, 18718, 19012, 28077, 28518, 32088, 37054, 37436, 38024, 55581, 56154, 57036, 74108, 74872, 111162, 112308, 114072, 129689, 148216, 222324, 224616, 259378, 389067, 444648, 518756, 778134, 907823, 1037512, 1556268, 1815646, 2723469, 3112536, 3631292, 5446938, 7262584, 10893876, 21787752]

約数ペア:

[(1, 21787752), (2, 10893876), (3, 7262584), (4, 5446938), (6, 3631292), (7, 3112536), (8, 2723469), (12, 1815646), (14, 1556268), (21, 1037512), (24, 907823), (28, 778134), (42, 518756), (49, 444648), (56, 389067), (84, 259378), (97, 224616), (98, 222324), (147, 148216), (168, 129689), (191, 114072), (194, 112308), (196, 111162), (291, 74872), (294, 74108), (382, 57036), (388, 56154), (392, 55581), (573, 38024), (582, 37436), (588, 37054), (679, 32088), (764, 28518), (776, 28077), (1146, 19012), (1164, 18718), (1176, 18527), (1337, 16296), (1358, 16044), (1528, 14259), (2037, 10696), (2292, 9506), (2328, 9359), (2674, 8148), (2716, 8022), (4011, 5432), (4074, 5348), (4584, 4753)]