21083853

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2287}}^1$

素因数の和:2736

約数の個数: 16

約数和(自身を含む): 32215040

約数和(自身を除く): 11131187

約数列:

[1, 3, 7, 21, 439, 1317, 2287, 3073, 6861, 9219, 16009, 48027, 1003993, 3011979, 7027951, 21083853]

約数ペア:

[(1, 21083853), (3, 7027951), (7, 3011979), (21, 1003993), (439, 48027), (1317, 16009), (2287, 9219), (3073, 6861)]