21940808528

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{103643}}^1$

素因数の和:103883

約数の個数: 40

約数和(自身を含む): 43259347296

約数和(自身を除く): 21318538768

約数列:

[1, 2, 4, 8, 16, 101, 131, 202, 262, 404, 524, 808, 1048, 1616, 2096, 13231, 26462, 52924, 103643, 105848, 207286, 211696, 414572, 829144, 1658288, 10467943, 13577233, 20935886, 27154466, 41871772, 54308932, 83743544, 108617864, 167487088, 217235728, 1371300533, 2742601066, 5485202132, 10970404264, 21940808528]

約数ペア:

[(1, 21940808528), (2, 10970404264), (4, 5485202132), (8, 2742601066), (16, 1371300533), (101, 217235728), (131, 167487088), (202, 108617864), (262, 83743544), (404, 54308932), (524, 41871772), (808, 27154466), (1048, 20935886), (1616, 13577233), (2096, 10467943), (13231, 1658288), (26462, 829144), (52924, 414572), (103643, 211696), (105848, 207286)]