21739504

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{5051}}^1$

素因数の和:5328

約数の個数: 20

約数和(自身を含む): 42285240

約数和(自身を除く): 20545736

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 5051, 10102, 20204, 40408, 80816, 1358719, 2717438, 5434876, 10869752, 21739504]

約数ペア:

[(1, 21739504), (2, 10869752), (4, 5434876), (8, 2717438), (16, 1358719), (269, 80816), (538, 40408), (1076, 20204), (2152, 10102), (4304, 5051)]