21961700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7573}}^1$

素因数の和:7616

約数の個数: 36

約数和(自身を含む): 49306740

約数和(自身を除く): 27345040

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7573, 15146, 30292, 37865, 75730, 151460, 189325, 219617, 378650, 439234, 757300, 878468, 1098085, 2196170, 4392340, 5490425, 10980850, 21961700]

約数ペア:

[(1, 21961700), (2, 10980850), (4, 5490425), (5, 4392340), (10, 2196170), (20, 1098085), (25, 878468), (29, 757300), (50, 439234), (58, 378650), (100, 219617), (116, 189325), (145, 151460), (290, 75730), (580, 37865), (725, 30292), (1450, 15146), (2900, 7573)]