21606277

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1013}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 27061632

約数和(自身を除く): 5455355

約数列:

[1, 7, 11, 77, 277, 1013, 1939, 3047, 7091, 11143, 21329, 78001, 280601, 1964207, 3086611, 21606277]

約数ペア:

[(1, 21606277), (7, 3086611), (11, 1964207), (77, 280601), (277, 78001), (1013, 21329), (1939, 11143), (3047, 7091)]