21000884794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4890751}}^1$

素因数の和:4890885

約数の個数: 16

約数和(自身を含む): 33452743680

約数和(自身を除く): 12451858886

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4890751, 9781502, 92924269, 185848538, 552654863, 1105309726, 10500442397, 21000884794]

約数ペア:

[(1, 21000884794), (2, 10500442397), (19, 1105309726), (38, 552654863), (113, 185848538), (226, 92924269), (2147, 9781502), (4294, 4890751)]