21893790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42929}}^1$

素因数の和:42956

約数の個数: 32

約数和(自身を含む): 55637280

約数和(自身を除く): 33743490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42929, 85858, 128787, 214645, 257574, 429290, 643935, 729793, 1287870, 1459586, 2189379, 3648965, 4378758, 7297930, 10946895, 21893790]

約数ペア:

[(1, 21893790), (2, 10946895), (3, 7297930), (5, 4378758), (6, 3648965), (10, 2189379), (15, 1459586), (17, 1287870), (30, 729793), (34, 643935), (51, 429290), (85, 257574), (102, 214645), (170, 128787), (255, 85858), (510, 42929)]