21383487

素因数分解:

$3^3\times {\mathrm{457}}^1\times {\mathrm{1733}}^1$

素因数の和:2199

約数の個数: 16

約数和(自身を含む): 31766880

約数和(自身を除く): 10383393

約数列:

[1, 3, 9, 27, 457, 1371, 1733, 4113, 5199, 12339, 15597, 46791, 791981, 2375943, 7127829, 21383487]

約数ペア:

[(1, 21383487), (3, 7127829), (9, 2375943), (27, 791981), (457, 46791), (1371, 15597), (1733, 12339), (4113, 5199)]