21060608

素因数分解:

$2^{10}\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 44

約数和(自身を含む): 42692232

約数和(自身を除く): 21631624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 157, 256, 262, 314, 512, 524, 628, 1024, 1048, 1256, 2096, 2512, 4192, 5024, 8384, 10048, 16768, 20096, 20567, 33536, 40192, 41134, 67072, 80384, 82268, 134144, 160768, 164536, 329072, 658144, 1316288, 2632576, 5265152, 10530304, 21060608]

約数ペア:

[(1, 21060608), (2, 10530304), (4, 5265152), (8, 2632576), (16, 1316288), (32, 658144), (64, 329072), (128, 164536), (131, 160768), (157, 134144), (256, 82268), (262, 80384), (314, 67072), (512, 41134), (524, 40192), (628, 33536), (1024, 20567), (1048, 20096), (1256, 16768), (2096, 10048), (2512, 8384), (4192, 5024)]