21584528

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1009}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 48092160

約数和(自身を除く): 26507632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 1009, 1337, 1528, 2018, 2674, 3056, 4036, 5348, 7063, 8072, 10696, 14126, 16144, 21392, 28252, 56504, 113008, 192719, 385438, 770876, 1349033, 1541752, 2698066, 3083504, 5396132, 10792264, 21584528]

約数ペア:

[(1, 21584528), (2, 10792264), (4, 5396132), (7, 3083504), (8, 2698066), (14, 1541752), (16, 1349033), (28, 770876), (56, 385438), (112, 192719), (191, 113008), (382, 56504), (764, 28252), (1009, 21392), (1337, 16144), (1528, 14126), (2018, 10696), (2674, 8072), (3056, 7063), (4036, 5348)]