21139937234

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{13367}}^1\times {\mathrm{4679}}^1$

素因数の和:18074

約数の個数: 24

約数和(自身を含む): 34346669760

約数和(自身を除く): 13206732526

約数列:

[1, 2, 13, 26, 169, 338, 4679, 9358, 13367, 26734, 60827, 121654, 173771, 347542, 790751, 1581502, 2259023, 4518046, 62544193, 125088386, 813074509, 1626149018, 10569968617, 21139937234]

約数ペア:

[(1, 21139937234), (2, 10569968617), (13, 1626149018), (26, 813074509), (169, 125088386), (338, 62544193), (4679, 4518046), (9358, 2259023), (13367, 1581502), (26734, 790751), (60827, 347542), (121654, 173771)]