21237496

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{701}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 45658080

約数和(自身を除く): 24420584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 701, 1082, 1402, 2164, 2804, 3787, 4328, 4907, 5608, 7574, 9814, 15148, 19628, 30296, 39256, 379241, 758482, 1516964, 2654687, 3033928, 5309374, 10618748, 21237496]

約数ペア:

[(1, 21237496), (2, 10618748), (4, 5309374), (7, 3033928), (8, 2654687), (14, 1516964), (28, 758482), (56, 379241), (541, 39256), (701, 30296), (1082, 19628), (1402, 15148), (2164, 9814), (2804, 7574), (3787, 5608), (4328, 4907)]