21507266

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{88873}}^1$

素因数の和:88897

約数の個数: 12

約数和(自身を含む): 35460726

約数和(自身を除く): 13953460

約数列:

[1, 2, 11, 22, 121, 242, 88873, 177746, 977603, 1955206, 10753633, 21507266]

約数ペア:

[(1, 21507266), (2, 10753633), (11, 1955206), (22, 977603), (121, 177746), (242, 88873)]