21000688797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{929}}^1\times {\mathrm{2473}}^1$

素因数の和:3693

約数の個数: 32

約数和(自身を含む): 30702142080

約数和(自身を除く): 9701453283

約数列:

[1, 3, 11, 33, 277, 831, 929, 2473, 2787, 3047, 7419, 9141, 10219, 27203, 30657, 81609, 257333, 685021, 771999, 2055063, 2297417, 2830663, 6892251, 7535231, 8491989, 22605693, 25271587, 75814761, 636384509, 1909153527, 7000229599, 21000688797]

約数ペア:

[(1, 21000688797), (3, 7000229599), (11, 1909153527), (33, 636384509), (277, 75814761), (831, 25271587), (929, 22605693), (2473, 8491989), (2787, 7535231), (3047, 6892251), (7419, 2830663), (9141, 2297417), (10219, 2055063), (27203, 771999), (30657, 685021), (81609, 257333)]