21069756

素因数分解:

$2^2\times 3^2\times {\mathrm{585271}}^1$

素因数の和:585281

約数の個数: 18

約数和(自身を含む): 53259752

約数和(自身を除く): 32189996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585271, 1170542, 1755813, 2341084, 3511626, 5267439, 7023252, 10534878, 21069756]

約数ペア:

[(1, 21069756), (2, 10534878), (3, 7023252), (4, 5267439), (6, 3511626), (9, 2341084), (12, 1755813), (18, 1170542), (36, 585271)]