21076708

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 37962848

約数和(自身を除く): 16886140

約数列:

[1, 2, 4, 43, 86, 172, 283, 433, 566, 866, 1132, 1732, 12169, 18619, 24338, 37238, 48676, 74476, 122539, 245078, 490156, 5269177, 10538354, 21076708]

約数ペア:

[(1, 21076708), (2, 10538354), (4, 5269177), (43, 490156), (86, 245078), (172, 122539), (283, 74476), (433, 48676), (566, 37238), (866, 24338), (1132, 18619), (1732, 12169)]