21093700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5701}}^1$

素因数の和:5752

約数の個数: 36

約数和(自身を含む): 47018692

約数和(自身を除く): 25924992

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5701, 11402, 22804, 28505, 57010, 114020, 142525, 210937, 285050, 421874, 570100, 843748, 1054685, 2109370, 4218740, 5273425, 10546850, 21093700]

約数ペア:

[(1, 21093700), (2, 10546850), (4, 5273425), (5, 4218740), (10, 2109370), (20, 1054685), (25, 843748), (37, 570100), (50, 421874), (74, 285050), (100, 210937), (148, 142525), (185, 114020), (370, 57010), (740, 28505), (925, 22804), (1850, 11402), (3700, 5701)]