21821065

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6053}}^1$

素因数の和:6168

約数の個数: 16

約数和(自身を含む): 30221568

約数和(自身を除く): 8400503

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 6053, 30265, 42371, 211855, 623459, 3117295, 4364213, 21821065]

約数ペア:

[(1, 21821065), (5, 4364213), (7, 3117295), (35, 623459), (103, 211855), (515, 42371), (721, 30265), (3605, 6053)]