21145986

素因数分解:

$2^1\times 3^2\times {\mathrm{179}}^1\times {\mathrm{6563}}^1$

素因数の和:6750

約数の個数: 24

約数和(自身を含む): 46079280

約数和(自身を除く): 24933294

約数列:

[1, 2, 3, 6, 9, 18, 179, 358, 537, 1074, 1611, 3222, 6563, 13126, 19689, 39378, 59067, 118134, 1174777, 2349554, 3524331, 7048662, 10572993, 21145986]

約数ペア:

[(1, 21145986), (2, 10572993), (3, 7048662), (6, 3524331), (9, 2349554), (18, 1174777), (179, 118134), (358, 59067), (537, 39378), (1074, 19689), (1611, 13126), (3222, 6563)]