21040612

素因数分解:

$2^2\times {\mathrm{613}}^1\times {\mathrm{8581}}^1$

素因数の和:9198

約数の個数: 12

約数和(自身を含む): 36885436

約数和(自身を除く): 15844824

約数列:

[1, 2, 4, 613, 1226, 2452, 8581, 17162, 34324, 5260153, 10520306, 21040612]

約数ペア:

[(1, 21040612), (2, 10520306), (4, 5260153), (613, 34324), (1226, 17162), (2452, 8581)]