21339672

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{2063}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 53498880

約数和(自身を除く): 32159208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 2063, 2586, 3448, 4126, 5172, 6189, 8252, 10344, 12378, 16504, 24756, 49512, 889153, 1778306, 2667459, 3556612, 5334918, 7113224, 10669836, 21339672]

約数ペア:

[(1, 21339672), (2, 10669836), (3, 7113224), (4, 5334918), (6, 3556612), (8, 2667459), (12, 1778306), (24, 889153), (431, 49512), (862, 24756), (1293, 16504), (1724, 12378), (2063, 10344), (2586, 8252), (3448, 6189), (4126, 5172)]