21758976

素因数分解:

$2^{10}\times 3^3\times {\mathrm{787}}^1$

素因数の和:816

約数の個数: 88

約数和(自身を含む): 64521440

約数和(自身を除く): 42762464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 787, 864, 1024, 1152, 1536, 1574, 1728, 2304, 2361, 3072, 3148, 3456, 4608, 4722, 6296, 6912, 7083, 9216, 9444, 12592, 13824, 14166, 18888, 21249, 25184, 27648, 28332, 37776, 42498, 50368, 56664, 75552, 84996, 100736, 113328, 151104, 169992, 201472, 226656, 302208, 339984, 402944, 453312, 604416, 679968, 805888, 906624, 1208832, 1359936, 1813248, 2417664, 2719872, 3626496, 5439744, 7252992, 10879488, 21758976]

約数ペア:

[(1, 21758976), (2, 10879488), (3, 7252992), (4, 5439744), (6, 3626496), (8, 2719872), (9, 2417664), (12, 1813248), (16, 1359936), (18, 1208832), (24, 906624), (27, 805888), (32, 679968), (36, 604416), (48, 453312), (54, 402944), (64, 339984), (72, 302208), (96, 226656), (108, 201472), (128, 169992), (144, 151104), (192, 113328), (216, 100736), (256, 84996), (288, 75552), (384, 56664), (432, 50368), (512, 42498), (576, 37776), (768, 28332), (787, 27648), (864, 25184), (1024, 21249), (1152, 18888), (1536, 14166), (1574, 13824), (1728, 12592), (2304, 9444), (2361, 9216), (3072, 7083), (3148, 6912), (3456, 6296), (4608, 4722)]