21104963

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 23784192

約数和(自身を除く): 2679229

約数列:

[1, 11, 61, 71, 443, 671, 781, 4331, 4873, 27023, 31453, 47641, 297253, 345983, 1918633, 21104963]

約数ペア:

[(1, 21104963), (11, 1918633), (61, 345983), (71, 297253), (443, 47641), (671, 31453), (781, 27023), (4331, 4873)]