21097792

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4643}}^1$

素因数の和:4726

約数の個数: 28

約数和(自身を含む): 42464736

約数和(自身を除く): 21366944

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4643, 9286, 18572, 37144, 74288, 148576, 297152, 329653, 659306, 1318612, 2637224, 5274448, 10548896, 21097792]

約数ペア:

[(1, 21097792), (2, 10548896), (4, 5274448), (8, 2637224), (16, 1318612), (32, 659306), (64, 329653), (71, 297152), (142, 148576), (284, 74288), (568, 37144), (1136, 18572), (2272, 9286), (4544, 4643)]