21116896

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12451}}^1$

素因数の和:12514

約数の個数: 24

約数和(自身を含む): 42361704

約数和(自身を除く): 21244808

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12451, 24902, 49804, 99608, 199216, 398432, 659903, 1319806, 2639612, 5279224, 10558448, 21116896]

約数ペア:

[(1, 21116896), (2, 10558448), (4, 5279224), (8, 2639612), (16, 1319806), (32, 659903), (53, 398432), (106, 199216), (212, 99608), (424, 49804), (848, 24902), (1696, 12451)]