21783175533

素因数分解:

$3^4\times 7^1\times {\mathrm{38418299}}^1$

素因数の和:38418318

約数の個数: 20

約数和(自身を含む): 37188914400

約数和(自身を除く): 15405738867

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 38418299, 115254897, 268928093, 345764691, 806784279, 1037294073, 2420352837, 3111882219, 7261058511, 21783175533]

約数ペア:

[(1, 21783175533), (3, 7261058511), (7, 3111882219), (9, 2420352837), (21, 1037294073), (27, 806784279), (63, 345764691), (81, 268928093), (189, 115254897), (567, 38418299)]