21902552

素因数分解:

$2^3\times 7^1\times {\mathrm{391117}}^1$

素因数の和:391130

約数の個数: 16

約数和(自身を含む): 46934160

約数和(自身を除く): 25031608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 391117, 782234, 1564468, 2737819, 3128936, 5475638, 10951276, 21902552]

約数ペア:

[(1, 21902552), (2, 10951276), (4, 5475638), (7, 3128936), (8, 2737819), (14, 1564468), (28, 782234), (56, 391117)]