21875728

素因数分解:

$2^4\times 7^1\times {\mathrm{195319}}^1$

素因数の和:195334

約数の個数: 20

約数和(自身を含む): 48439360

約数和(自身を除く): 26563632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195319, 390638, 781276, 1367233, 1562552, 2734466, 3125104, 5468932, 10937864, 21875728]

約数ペア:

[(1, 21875728), (2, 10937864), (4, 5468932), (7, 3125104), (8, 2734466), (14, 1562552), (16, 1367233), (28, 781276), (56, 390638), (112, 195319)]