21439360804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{172898071}}^1$

素因数の和:172898106

約数の個数: 12

約数和(自身を含む): 38729168128

約数和(自身を除く): 17289807324

約数列:

[1, 2, 4, 31, 62, 124, 172898071, 345796142, 691592284, 5359840201, 10719680402, 21439360804]

約数ペア:

[(1, 21439360804), (2, 10719680402), (4, 5359840201), (31, 691592284), (62, 345796142), (124, 172898071)]