21069347

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 24060960

約数和(自身を除く): 2991613

約数列:

[1, 13, 19, 197, 247, 433, 2561, 3743, 5629, 8227, 48659, 85301, 106951, 1108913, 1620719, 21069347]

約数ペア:

[(1, 21069347), (13, 1620719), (19, 1108913), (197, 106951), (247, 85301), (433, 48659), (2561, 8227), (3743, 5629)]