21068487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3607}}^1$

素因数の和:3683

約数の個数: 24

約数和(自身を含む): 33770880

約数和(自身を除く): 12702393

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3607, 5841, 10821, 32463, 39677, 119031, 212813, 357093, 638439, 1915317, 2340943, 7022829, 21068487]

約数ペア:

[(1, 21068487), (3, 7022829), (9, 2340943), (11, 1915317), (33, 638439), (59, 357093), (99, 212813), (177, 119031), (531, 39677), (649, 32463), (1947, 10821), (3607, 5841)]