21164544

素因数分解:

$2^9\times 3^3\times {\mathrm{1531}}^1$

素因数の和:1558

約数の個数: 80

約数和(自身を含む): 62689440

約数和(自身を除く): 41524896

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, 864, 1152, 1531, 1536, 1728, 2304, 3062, 3456, 4593, 4608, 6124, 6912, 9186, 12248, 13779, 13824, 18372, 24496, 27558, 36744, 41337, 48992, 55116, 73488, 82674, 97984, 110232, 146976, 165348, 195968, 220464, 293952, 330696, 391936, 440928, 587904, 661392, 783872, 881856, 1175808, 1322784, 1763712, 2351616, 2645568, 3527424, 5291136, 7054848, 10582272, 21164544]

約数ペア:

[(1, 21164544), (2, 10582272), (3, 7054848), (4, 5291136), (6, 3527424), (8, 2645568), (9, 2351616), (12, 1763712), (16, 1322784), (18, 1175808), (24, 881856), (27, 783872), (32, 661392), (36, 587904), (48, 440928), (54, 391936), (64, 330696), (72, 293952), (96, 220464), (108, 195968), (128, 165348), (144, 146976), (192, 110232), (216, 97984), (256, 82674), (288, 73488), (384, 55116), (432, 48992), (512, 41337), (576, 36744), (768, 27558), (864, 24496), (1152, 18372), (1531, 13824), (1536, 13779), (1728, 12248), (2304, 9186), (3062, 6912), (3456, 6124), (4593, 4608)]