21033984

素因数分解:

$2^{10}\times 3^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 88

約数和(自身を含む): 57774528

約数和(自身を除く): 36740544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 167, 192, 246, 256, 328, 334, 384, 492, 501, 512, 656, 668, 768, 984, 1002, 1024, 1312, 1336, 1536, 1968, 2004, 2624, 2672, 3072, 3936, 4008, 5248, 5344, 6847, 7872, 8016, 10496, 10688, 13694, 15744, 16032, 20541, 20992, 21376, 27388, 31488, 32064, 41082, 41984, 42752, 54776, 62976, 64128, 82164, 85504, 109552, 125952, 128256, 164328, 171008, 219104, 256512, 328656, 438208, 513024, 657312, 876416, 1314624, 1752832, 2629248, 3505664, 5258496, 7011328, 10516992, 21033984]

約数ペア:

[(1, 21033984), (2, 10516992), (3, 7011328), (4, 5258496), (6, 3505664), (8, 2629248), (12, 1752832), (16, 1314624), (24, 876416), (32, 657312), (41, 513024), (48, 438208), (64, 328656), (82, 256512), (96, 219104), (123, 171008), (128, 164328), (164, 128256), (167, 125952), (192, 109552), (246, 85504), (256, 82164), (328, 64128), (334, 62976), (384, 54776), (492, 42752), (501, 41984), (512, 41082), (656, 32064), (668, 31488), (768, 27388), (984, 21376), (1002, 20992), (1024, 20541), (1312, 16032), (1336, 15744), (1536, 13694), (1968, 10688), (2004, 10496), (2624, 8016), (2672, 7872), (3072, 6847), (3936, 5344), (4008, 5248)]