21547604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13367}}^1$

素因数の和:13415

約数の個数: 24

約数和(自身を含む): 41922048

約数和(自身を除く): 20374444

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13367, 26734, 53468, 173771, 347542, 414377, 695084, 828754, 1657508, 5386901, 10773802, 21547604]

約数ペア:

[(1, 21547604), (2, 10773802), (4, 5386901), (13, 1657508), (26, 828754), (31, 695084), (52, 414377), (62, 347542), (124, 173771), (403, 53468), (806, 26734), (1612, 13367)]