21500946

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27779}}^1$

素因数の和:27830

約数の個数: 24

約数和(自身を含む): 47670480

約数和(自身を除く): 26169534

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27779, 55558, 83337, 166674, 250011, 500022, 1194497, 2388994, 3583491, 7166982, 10750473, 21500946]

約数ペア:

[(1, 21500946), (2, 10750473), (3, 7166982), (6, 3583491), (9, 2388994), (18, 1194497), (43, 500022), (86, 250011), (129, 166674), (258, 83337), (387, 55558), (774, 27779)]