21368156912

素因数分解:

$2^4\times {\mathrm{1291}}^1\times {\mathrm{1034477}}^1$

素因数の和:1035776

約数の個数: 20

約数和(自身を含む): 41432912856

約数和(自身を除く): 20064755944

約数列:

[1, 2, 4, 8, 16, 1291, 2582, 5164, 10328, 20656, 1034477, 2068954, 4137908, 8275816, 16551632, 1335509807, 2671019614, 5342039228, 10684078456, 21368156912]

約数ペア:

[(1, 21368156912), (2, 10684078456), (4, 5342039228), (8, 2671019614), (16, 1335509807), (1291, 16551632), (2582, 8275816), (5164, 4137908), (10328, 2068954), (20656, 1034477)]