21107232

素因数分解:

$2^5\times 3^2\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:982

約数の個数: 72

約数和(自身を含む): 60815664

約数和(自身を除く): 39708432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 83, 96, 144, 166, 249, 288, 332, 498, 664, 747, 883, 996, 1328, 1494, 1766, 1992, 2649, 2656, 2988, 3532, 3984, 5298, 5976, 7064, 7947, 7968, 10596, 11952, 14128, 15894, 21192, 23904, 28256, 31788, 42384, 63576, 73289, 84768, 127152, 146578, 219867, 254304, 293156, 439734, 586312, 659601, 879468, 1172624, 1319202, 1758936, 2345248, 2638404, 3517872, 5276808, 7035744, 10553616, 21107232]

約数ペア:

[(1, 21107232), (2, 10553616), (3, 7035744), (4, 5276808), (6, 3517872), (8, 2638404), (9, 2345248), (12, 1758936), (16, 1319202), (18, 1172624), (24, 879468), (32, 659601), (36, 586312), (48, 439734), (72, 293156), (83, 254304), (96, 219867), (144, 146578), (166, 127152), (249, 84768), (288, 73289), (332, 63576), (498, 42384), (664, 31788), (747, 28256), (883, 23904), (996, 21192), (1328, 15894), (1494, 14128), (1766, 11952), (1992, 10596), (2649, 7968), (2656, 7947), (2988, 7064), (3532, 5976), (3984, 5298)]