21763113

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1999}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 30720000

約数和(自身を除く): 8956887

約数列:

[1, 3, 19, 57, 191, 573, 1999, 3629, 5997, 10887, 37981, 113943, 381809, 1145427, 7254371, 21763113]

約数ペア:

[(1, 21763113), (3, 7254371), (19, 1145427), (57, 381809), (191, 113943), (573, 37981), (1999, 10887), (3629, 5997)]