21905763

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1913}}^1$

素因数の和:2274

約数の個数: 16

約数和(自身を含む): 31971456

約数和(自身を除く): 10065693

約数列:

[1, 3, 11, 33, 347, 1041, 1913, 3817, 5739, 11451, 21043, 63129, 663811, 1991433, 7301921, 21905763]

約数ペア:

[(1, 21905763), (3, 7301921), (11, 1991433), (33, 663811), (347, 63129), (1041, 21043), (1913, 11451), (3817, 5739)]