21464611

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2538

約数の個数: 16

約数和(自身を含む): 25977600

約数和(自身を除く): 4512989

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2459, 8729, 17213, 71311, 105737, 499177, 740159, 3066373, 21464611]

約数ペア:

[(1, 21464611), (7, 3066373), (29, 740159), (43, 499177), (203, 105737), (301, 71311), (1247, 17213), (2459, 8729)]