21187788

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{37567}}^1$

素因数の和:37621

約数の個数: 24

約数和(自身を含む): 50491392

約数和(自身を除く): 29303604

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 37567, 75134, 112701, 150268, 225402, 450804, 1765649, 3531298, 5296947, 7062596, 10593894, 21187788]

約数ペア:

[(1, 21187788), (2, 10593894), (3, 7062596), (4, 5296947), (6, 3531298), (12, 1765649), (47, 450804), (94, 225402), (141, 150268), (188, 112701), (282, 75134), (564, 37567)]