21237076

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4831}}^1$

素因数の和:4999

約数の個数: 24

約数和(自身を含む): 42753536

約数和(自身を除く): 21516460

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4831, 9662, 19324, 33817, 67634, 135268, 758467, 1516934, 3033868, 5309269, 10618538, 21237076]

約数ペア:

[(1, 21237076), (2, 10618538), (4, 5309269), (7, 3033868), (14, 1516934), (28, 758467), (157, 135268), (314, 67634), (628, 33817), (1099, 19324), (2198, 9662), (4396, 4831)]