21585050

素因数分解:

$2^1\times 5^2\times {\mathrm{433}}^1\times {\mathrm{997}}^1$

素因数の和:1442

約数の個数: 24

約数和(自身を含む): 40281276

約数和(自身を除く): 18696226

約数列:

[1, 2, 5, 10, 25, 50, 433, 866, 997, 1994, 2165, 4330, 4985, 9970, 10825, 21650, 24925, 49850, 431701, 863402, 2158505, 4317010, 10792525, 21585050]

約数ペア:

[(1, 21585050), (2, 10792525), (5, 4317010), (10, 2158505), (25, 863402), (50, 431701), (433, 49850), (866, 24925), (997, 21650), (1994, 10825), (2165, 9970), (4330, 4985)]