21603934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3821}}^1$

素因数の和:4091

約数の個数: 16

約数和(自身を含む): 35498736

約数和(自身を除く): 13894802

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3821, 5654, 7642, 42031, 84062, 981997, 1963994, 10801967, 21603934]

約数ペア:

[(1, 21603934), (2, 10801967), (11, 1963994), (22, 981997), (257, 84062), (514, 42031), (2827, 7642), (3821, 5654)]