21692048

素因数分解:

$2^4\times 7^1\times {\mathrm{193679}}^1$

素因数の和:193694

約数の個数: 20

約数和(自身を含む): 48032640

約数和(自身を除く): 26340592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193679, 387358, 774716, 1355753, 1549432, 2711506, 3098864, 5423012, 10846024, 21692048]

約数ペア:

[(1, 21692048), (2, 10846024), (4, 5423012), (7, 3098864), (8, 2711506), (14, 1549432), (16, 1355753), (28, 774716), (56, 387358), (112, 193679)]