21089028

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8329}}^1$

素因数の和:8547

約数の個数: 24

約数和(自身を含む): 49446880

約数和(自身を除く): 28357852

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8329, 16658, 24987, 33316, 49974, 99948, 1757419, 3514838, 5272257, 7029676, 10544514, 21089028]

約数ペア:

[(1, 21089028), (2, 10544514), (3, 7029676), (4, 5272257), (6, 3514838), (12, 1757419), (211, 99948), (422, 49974), (633, 33316), (844, 24987), (1266, 16658), (2532, 8329)]