21464523

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2647}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 33460128

約数和(自身を除く): 11995605

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2647, 2703, 7941, 8109, 23823, 44999, 134997, 140291, 404991, 420873, 1262619, 2384947, 7154841, 21464523]

約数ペア:

[(1, 21464523), (3, 7154841), (9, 2384947), (17, 1262619), (51, 420873), (53, 404991), (153, 140291), (159, 134997), (477, 44999), (901, 23823), (2647, 8109), (2703, 7941)]