21044733

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 7555587

約数列:

[1, 3, 83, 223, 249, 379, 669, 1137, 18509, 31457, 55527, 84517, 94371, 253551, 7014911, 21044733]

約数ペア:

[(1, 21044733), (3, 7014911), (83, 253551), (223, 94371), (249, 84517), (379, 55527), (669, 31457), (1137, 18509)]