21240468

素因数分解:

$2^2\times 3^4\times {\mathrm{65557}}^1$

素因数の和:65573

約数の個数: 30

約数和(自身を含む): 55527626

約数和(自身を除く): 34287158

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65557, 131114, 196671, 262228, 393342, 590013, 786684, 1180026, 1770039, 2360052, 3540078, 5310117, 7080156, 10620234, 21240468]

約数ペア:

[(1, 21240468), (2, 10620234), (3, 7080156), (4, 5310117), (6, 3540078), (9, 2360052), (12, 1770039), (18, 1180026), (27, 786684), (36, 590013), (54, 393342), (81, 262228), (108, 196671), (162, 131114), (324, 65557)]