21287673

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9349}}^1$

素因数の和:9389

約数の個数: 24

約数和(自身を含む): 35006400

約数和(自身を除く): 13718727

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9349, 28047, 84141, 102839, 215027, 308517, 645081, 925551, 1935243, 2365297, 7095891, 21287673]

約数ペア:

[(1, 21287673), (3, 7095891), (9, 2365297), (11, 1935243), (23, 925551), (33, 645081), (69, 308517), (99, 215027), (207, 102839), (253, 84141), (759, 28047), (2277, 9349)]