21313803

素因数分解:

$3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1759}}^1$

素因数の和:2346

約数の個数: 16

約数和(自身を含む): 32552960

約数和(自身を除く): 11239157

約数列:

[1, 3, 7, 21, 577, 1731, 1759, 4039, 5277, 12117, 12313, 36939, 1014943, 3044829, 7104601, 21313803]

約数ペア:

[(1, 21313803), (3, 7104601), (7, 3044829), (21, 1014943), (577, 36939), (1731, 12313), (1759, 12117), (4039, 5277)]