21282068

素因数分解:

$2^2\times {\mathrm{577}}^1\times {\mathrm{9221}}^1$

素因数の和:9802

約数の個数: 12

約数和(自身を含む): 37312212

約数和(自身を除く): 16030144

約数列:

[1, 2, 4, 577, 1154, 2308, 9221, 18442, 36884, 5320517, 10641034, 21282068]

約数ペア:

[(1, 21282068), (2, 10641034), (4, 5320517), (577, 36884), (1154, 18442), (2308, 9221)]