21007803553

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{4159}}^1$

素因数の和:4453

約数の個数: 32

約数和(自身を含む): 23985561600

約数和(自身を除く): 2977758047

約数列:

[1, 11, 43, 59, 181, 473, 649, 1991, 2537, 4159, 7783, 10679, 27907, 45749, 85613, 117469, 178837, 245381, 459197, 752779, 1967207, 2699191, 5051167, 8280569, 10551383, 32369497, 44413961, 116065213, 356064467, 488553571, 1909800323, 21007803553]

約数ペア:

[(1, 21007803553), (11, 1909800323), (43, 488553571), (59, 356064467), (181, 116065213), (473, 44413961), (649, 32369497), (1991, 10551383), (2537, 8280569), (4159, 5051167), (7783, 2699191), (10679, 1967207), (27907, 752779), (45749, 459197), (85613, 245381), (117469, 178837)]