21853232

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19237}}^1$

素因数の和:19316

約数の個数: 20

約数和(自身を含む): 42939216

約数和(自身を除く): 21085984

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19237, 38474, 76948, 153896, 307792, 1365827, 2731654, 5463308, 10926616, 21853232]

約数ペア:

[(1, 21853232), (2, 10926616), (4, 5463308), (8, 2731654), (16, 1365827), (71, 307792), (142, 153896), (284, 76948), (568, 38474), (1136, 19237)]