21093037105

素因数分解:

$5^1\times 7^5\times {\mathrm{251003}}^1$

素因数の和:251043

約数の個数: 24

約数和(自身を含む): 29530118592

約数和(自身を除く): 8437081487

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 16807, 84035, 251003, 1255015, 1757021, 8785105, 12299147, 61495735, 86094029, 430470145, 602658203, 3013291015, 4218607421, 21093037105]

約数ペア:

[(1, 21093037105), (5, 4218607421), (7, 3013291015), (35, 602658203), (49, 430470145), (245, 86094029), (343, 61495735), (1715, 12299147), (2401, 8785105), (12005, 1757021), (16807, 1255015), (84035, 251003)]