21276544

素因数分解:

$2^7\times {\mathrm{113}}^1\times {\mathrm{1471}}^1$

素因数の和:1598

約数の個数: 32

約数和(自身を含む): 42791040

約数和(自身を除く): 21514496

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 452, 904, 1471, 1808, 2942, 3616, 5884, 7232, 11768, 14464, 23536, 47072, 94144, 166223, 188288, 332446, 664892, 1329784, 2659568, 5319136, 10638272, 21276544]

約数ペア:

[(1, 21276544), (2, 10638272), (4, 5319136), (8, 2659568), (16, 1329784), (32, 664892), (64, 332446), (113, 188288), (128, 166223), (226, 94144), (452, 47072), (904, 23536), (1471, 14464), (1808, 11768), (2942, 7232), (3616, 5884)]