21262898

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1049

約数の個数: 16

約数和(自身を含む): 32768736

約数和(自身を除く): 11505838

約数列:

[1, 2, 43, 86, 433, 571, 866, 1142, 18619, 24553, 37238, 49106, 247243, 494486, 10631449, 21262898]

約数ペア:

[(1, 21262898), (2, 10631449), (43, 494486), (86, 247243), (433, 49106), (571, 37238), (866, 24553), (1142, 18619)]