21854452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{577}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 40638024

約数和(自身を除く): 18783572

約数列:

[1, 2, 4, 17, 34, 68, 557, 577, 1114, 1154, 2228, 2308, 9469, 9809, 18938, 19618, 37876, 39236, 321389, 642778, 1285556, 5463613, 10927226, 21854452]

約数ペア:

[(1, 21854452), (2, 10927226), (4, 5463613), (17, 1285556), (34, 642778), (68, 321389), (557, 39236), (577, 37876), (1114, 19618), (1154, 18938), (2228, 9809), (2308, 9469)]