21375426

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209563}}^1$

素因数の和:209585

約数の個数: 16

約数和(自身を含む): 45265824

約数和(自身を除く): 23890398

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209563, 419126, 628689, 1257378, 3562571, 7125142, 10687713, 21375426]

約数ペア:

[(1, 21375426), (2, 10687713), (3, 7125142), (6, 3562571), (17, 1257378), (34, 628689), (51, 419126), (102, 209563)]