21554038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13799}}^1$

素因数の和:13883

約数の個数: 16

約数和(自身を含む): 35769600

約数和(自身を除く): 14215562

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13799, 27598, 151789, 303578, 979729, 1959458, 10777019, 21554038]

約数ペア:

[(1, 21554038), (2, 10777019), (11, 1959458), (22, 979729), (71, 303578), (142, 151789), (781, 27598), (1562, 13799)]