21596547

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21881}}^1$

素因数の和:21938

約数の個数: 16

約数和(自身を含む): 33610752

約数和(自身を除く): 12014205

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21881, 65643, 153167, 459501, 1028407, 3085221, 7198849, 21596547]

約数ペア:

[(1, 21596547), (3, 7198849), (7, 3085221), (21, 1028407), (47, 459501), (141, 153167), (329, 65643), (987, 21881)]