21831519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{509}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 31983120

約数和(自身を除く): 10151601

約数列:

[1, 3, 17, 29, 51, 87, 493, 509, 841, 1479, 1527, 2523, 8653, 14297, 14761, 25959, 42891, 44283, 250937, 428069, 752811, 1284207, 7277173, 21831519]

約数ペア:

[(1, 21831519), (3, 7277173), (17, 1284207), (29, 752811), (51, 428069), (87, 250937), (493, 44283), (509, 42891), (841, 25959), (1479, 14761), (1527, 14297), (2523, 8653)]