21916398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521819}}^1$

素因数の和:521831

約数の個数: 16

約数和(自身を含む): 50094720

約数和(自身を除く): 28178322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521819, 1043638, 1565457, 3130914, 3652733, 7305466, 10958199, 21916398]

約数ペア:

[(1, 21916398), (2, 10958199), (3, 7305466), (6, 3652733), (7, 3130914), (14, 1565457), (21, 1043638), (42, 521819)]