21470416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2899

約数の個数: 40

約数和(自身を含む): 46452384

約数和(自身を除く): 24981968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2837, 3784, 5674, 7568, 11348, 22696, 31207, 45392, 62414, 121991, 124828, 243982, 249656, 487964, 499312, 975928, 1341901, 1951856, 2683802, 5367604, 10735208, 21470416]

約数ペア:

[(1, 21470416), (2, 10735208), (4, 5367604), (8, 2683802), (11, 1951856), (16, 1341901), (22, 975928), (43, 499312), (44, 487964), (86, 249656), (88, 243982), (172, 124828), (176, 121991), (344, 62414), (473, 45392), (688, 31207), (946, 22696), (1892, 11348), (2837, 7568), (3784, 5674)]