21722568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 66232320

約数和(自身を除く): 44509752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 43, 56, 62, 84, 86, 93, 97, 124, 129, 168, 172, 186, 194, 217, 248, 258, 291, 301, 344, 372, 388, 434, 516, 582, 602, 651, 679, 744, 776, 868, 903, 1032, 1164, 1204, 1302, 1333, 1358, 1736, 1806, 2037, 2328, 2408, 2604, 2666, 2716, 3007, 3612, 3999, 4074, 4171, 5208, 5332, 5432, 6014, 7224, 7998, 8148, 8342, 9021, 9331, 10664, 12028, 12513, 15996, 16296, 16684, 18042, 18662, 21049, 24056, 25026, 27993, 29197, 31992, 33368, 36084, 37324, 42098, 50052, 55986, 58394, 63147, 72168, 74648, 84196, 87591, 100104, 111972, 116788, 126294, 129301, 168392, 175182, 223944, 233576, 252588, 258602, 350364, 387903, 505176, 517204, 700728, 775806, 905107, 1034408, 1551612, 1810214, 2715321, 3103224, 3620428, 5430642, 7240856, 10861284, 21722568]

約数ペア:

[(1, 21722568), (2, 10861284), (3, 7240856), (4, 5430642), (6, 3620428), (7, 3103224), (8, 2715321), (12, 1810214), (14, 1551612), (21, 1034408), (24, 905107), (28, 775806), (31, 700728), (42, 517204), (43, 505176), (56, 387903), (62, 350364), (84, 258602), (86, 252588), (93, 233576), (97, 223944), (124, 175182), (129, 168392), (168, 129301), (172, 126294), (186, 116788), (194, 111972), (217, 100104), (248, 87591), (258, 84196), (291, 74648), (301, 72168), (344, 63147), (372, 58394), (388, 55986), (434, 50052), (516, 42098), (582, 37324), (602, 36084), (651, 33368), (679, 31992), (744, 29197), (776, 27993), (868, 25026), (903, 24056), (1032, 21049), (1164, 18662), (1204, 18042), (1302, 16684), (1333, 16296), (1358, 15996), (1736, 12513), (1806, 12028), (2037, 10664), (2328, 9331), (2408, 9021), (2604, 8342), (2666, 8148), (2716, 7998), (3007, 7224), (3612, 6014), (3999, 5432), (4074, 5332), (4171, 5208)]