21337159

素因数分解:

${\mathrm{17}}^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 16

約数和(自身を含む): 23427360

約数和(自身を除く): 2090201

約数列:

[1, 17, 43, 101, 289, 731, 1717, 4343, 4913, 12427, 29189, 73831, 211259, 496213, 1255127, 21337159]

約数ペア:

[(1, 21337159), (17, 1255127), (43, 496213), (101, 211259), (289, 73831), (731, 29189), (1717, 12427), (4343, 4913)]