21381322

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:765

約数の個数: 16

約数和(自身を含む): 32598720

約数和(自身を除く): 11217398

約数列:

[1, 2, 97, 194, 307, 359, 614, 718, 29779, 34823, 59558, 69646, 110213, 220426, 10690661, 21381322]

約数ペア:

[(1, 21381322), (2, 10690661), (97, 220426), (194, 110213), (307, 69646), (359, 59558), (614, 34823), (718, 29779)]