21851049

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1033}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 31863744

約数和(自身を除く): 10012695

約数列:

[1, 3, 11, 33, 641, 1033, 1923, 3099, 7051, 11363, 21153, 34089, 662153, 1986459, 7283683, 21851049]

約数ペア:

[(1, 21851049), (3, 7283683), (11, 1986459), (33, 662153), (641, 34089), (1033, 21153), (1923, 11363), (3099, 7051)]