21030053

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 23702976

約数和(自身を除く): 2672923

約数列:

[1, 11, 43, 173, 257, 473, 1903, 2827, 7439, 11051, 44461, 81829, 121561, 489071, 1911823, 21030053]

約数ペア:

[(1, 21030053), (11, 1911823), (43, 489071), (173, 121561), (257, 81829), (473, 44461), (1903, 11051), (2827, 7439)]