21294595

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4441}}^1$

素因数の和:4590

約数の個数: 16

約数和(自身を含む): 29423808

約数和(自身を除く): 8129213

約数列:

[1, 5, 7, 35, 137, 685, 959, 4441, 4795, 22205, 31087, 155435, 608417, 3042085, 4258919, 21294595]

約数ペア:

[(1, 21294595), (5, 4258919), (7, 3042085), (35, 608417), (137, 155435), (685, 31087), (959, 22205), (4441, 4795)]