21340422

素因数分解:

$2^1\times 3^4\times {\mathrm{131731}}^1$

素因数の和:131745

約数の個数: 20

約数和(自身を含む): 47818716

約数和(自身を除く): 26478294

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131731, 263462, 395193, 790386, 1185579, 2371158, 3556737, 7113474, 10670211, 21340422]

約数ペア:

[(1, 21340422), (2, 10670211), (3, 7113474), (6, 3556737), (9, 2371158), (18, 1185579), (27, 790386), (54, 395193), (81, 263462), (162, 131731)]