21674680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2837}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 27365960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2837, 3820, 5674, 7640, 11348, 14185, 22696, 28370, 56740, 113480, 541867, 1083734, 2167468, 2709335, 4334936, 5418670, 10837340, 21674680]

約数ペア:

[(1, 21674680), (2, 10837340), (4, 5418670), (5, 4334936), (8, 2709335), (10, 2167468), (20, 1083734), (40, 541867), (191, 113480), (382, 56740), (764, 28370), (955, 22696), (1528, 14185), (1910, 11348), (2837, 7640), (3820, 5674)]