21738519

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9547}}^1$

素因数の和:9587

約数の個数: 24

約数和(自身を含む): 35747712

約数和(自身を除く): 14009193

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9547, 28641, 85923, 105017, 219581, 315051, 658743, 945153, 1976229, 2415391, 7246173, 21738519]

約数ペア:

[(1, 21738519), (3, 7246173), (9, 2415391), (11, 1976229), (23, 945153), (33, 658743), (69, 315051), (99, 219581), (207, 105017), (253, 85923), (759, 28641), (2277, 9547)]