21169449

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11587}}^1$

素因数の和:11629

約数の個数: 24

約数和(自身を含む): 36154560

約数和(自身を除く): 14985111

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11587, 34761, 81109, 104283, 243327, 336023, 729981, 1008069, 2352161, 3024207, 7056483, 21169449]

約数ペア:

[(1, 21169449), (3, 7056483), (7, 3024207), (9, 2352161), (21, 1008069), (29, 729981), (63, 336023), (87, 243327), (203, 104283), (261, 81109), (609, 34761), (1827, 11587)]