21381060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356351}}^1$

素因数の和:356363

約数の個数: 24

約数和(自身を含む): 59867136

約数和(自身を除く): 38486076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356351, 712702, 1069053, 1425404, 1781755, 2138106, 3563510, 4276212, 5345265, 7127020, 10690530, 21381060]

約数ペア:

[(1, 21381060), (2, 10690530), (3, 7127020), (4, 5345265), (5, 4276212), (6, 3563510), (10, 2138106), (12, 1781755), (15, 1425404), (20, 1069053), (30, 712702), (60, 356351)]