21728631

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{941}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 29842560

約数和(自身を除く): 8113929

約数列:

[1, 3, 43, 129, 179, 537, 941, 2823, 7697, 23091, 40463, 121389, 168439, 505317, 7242877, 21728631]

約数ペア:

[(1, 21728631), (3, 7242877), (43, 505317), (129, 168439), (179, 121389), (537, 40463), (941, 23091), (2823, 7697)]