21005038

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{2017}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 32546304

約数和(自身を除く): 11541266

約数列:

[1, 2, 41, 82, 127, 254, 2017, 4034, 5207, 10414, 82697, 165394, 256159, 512318, 10502519, 21005038]

約数ペア:

[(1, 21005038), (2, 10502519), (41, 512318), (82, 256159), (127, 165394), (254, 82697), (2017, 10414), (4034, 5207)]