21063867

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37547}}^1$

素因数の和:37578

約数の個数: 16

約数和(自身を含む): 32441472

約数和(自身を除く): 11377605

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37547, 112641, 413017, 638299, 1239051, 1914897, 7021289, 21063867]

約数ペア:

[(1, 21063867), (3, 7021289), (11, 1914897), (17, 1239051), (33, 638299), (51, 413017), (187, 112641), (561, 37547)]