21843273

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 29860160

約数和(自身を除く): 8016887

約数列:

[1, 3, 67, 109, 201, 327, 997, 2991, 7303, 21909, 66799, 108673, 200397, 326019, 7281091, 21843273]

約数ペア:

[(1, 21843273), (3, 7281091), (67, 326019), (109, 200397), (201, 108673), (327, 66799), (997, 21909), (2991, 7303)]