21381834

素因数分解:

$2^1\times 3^1\times {\mathrm{349}}^1\times {\mathrm{10211}}^1$

素因数の和:10565

約数の個数: 16

約数和(自身を含む): 42890400

約数和(自身を除く): 21508566

約数列:

[1, 2, 3, 6, 349, 698, 1047, 2094, 10211, 20422, 30633, 61266, 3563639, 7127278, 10690917, 21381834]

約数ペア:

[(1, 21381834), (2, 10690917), (3, 7127278), (6, 3563639), (349, 61266), (698, 30633), (1047, 20422), (2094, 10211)]