21678144

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4909}}^1$

素因数の和:4947

約数の個数: 56

約数和(自身を含む): 59862720

約数和(自身を除く): 38184576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4909, 9818, 14727, 19636, 29454, 39272, 58908, 78544, 112907, 117816, 157088, 225814, 235632, 314176, 338721, 451628, 471264, 677442, 903256, 942528, 1354884, 1806512, 2709768, 3613024, 5419536, 7226048, 10839072, 21678144]

約数ペア:

[(1, 21678144), (2, 10839072), (3, 7226048), (4, 5419536), (6, 3613024), (8, 2709768), (12, 1806512), (16, 1354884), (23, 942528), (24, 903256), (32, 677442), (46, 471264), (48, 451628), (64, 338721), (69, 314176), (92, 235632), (96, 225814), (138, 157088), (184, 117816), (192, 112907), (276, 78544), (368, 58908), (552, 39272), (736, 29454), (1104, 19636), (1472, 14727), (2208, 9818), (4416, 4909)]