21343377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1009}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 31124160

約数和(自身を除く): 9780783

約数列:

[1, 3, 11, 33, 641, 1009, 1923, 3027, 7051, 11099, 21153, 33297, 646769, 1940307, 7114459, 21343377]

約数ペア:

[(1, 21343377), (3, 7114459), (11, 1940307), (33, 646769), (641, 33297), (1009, 21153), (1923, 11099), (3027, 7051)]