21032488

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 41477760

約数和(自身を除く): 20445272

約数列:

[1, 2, 4, 8, 23, 46, 92, 151, 184, 302, 604, 757, 1208, 1514, 3028, 3473, 6056, 6946, 13892, 17411, 27784, 34822, 69644, 114307, 139288, 228614, 457228, 914456, 2629061, 5258122, 10516244, 21032488]

約数ペア:

[(1, 21032488), (2, 10516244), (4, 5258122), (8, 2629061), (23, 914456), (46, 457228), (92, 228614), (151, 139288), (184, 114307), (302, 69644), (604, 34822), (757, 27784), (1208, 17411), (1514, 13892), (3028, 6946), (3473, 6056)]