21266968

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{7127}}^1$

素因数の和:7506

約数の個数: 16

約数和(自身を含む): 39988080

約数和(自身を除く): 18721112

約数列:

[1, 2, 4, 8, 373, 746, 1492, 2984, 7127, 14254, 28508, 57016, 2658371, 5316742, 10633484, 21266968]

約数ペア:

[(1, 21266968), (2, 10633484), (4, 5316742), (8, 2658371), (373, 57016), (746, 28508), (1492, 14254), (2984, 7127)]