21651303

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1753}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 30309120

約数和(自身を除く): 8657817

約数列:

[1, 3, 23, 69, 179, 537, 1753, 4117, 5259, 12351, 40319, 120957, 313787, 941361, 7217101, 21651303]

約数ペア:

[(1, 21651303), (3, 7217101), (23, 941361), (69, 313787), (179, 120957), (537, 40319), (1753, 12351), (4117, 5259)]