21909994

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{9551}}^1$

素因数の和:9621

約数の個数: 16

約数和(自身を含む): 34845696

約数和(自身を除く): 12935702

約数列:

[1, 2, 31, 37, 62, 74, 1147, 2294, 9551, 19102, 296081, 353387, 592162, 706774, 10954997, 21909994]

約数ペア:

[(1, 21909994), (2, 10954997), (31, 706774), (37, 592162), (62, 353387), (74, 296081), (1147, 19102), (2294, 9551)]