21175742

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7451}}^1$

素因数の和:7496

約数の個数: 24

約数和(自身を含む): 38228760

約数和(自身を除く): 17053018

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7451, 14902, 52157, 104314, 216079, 365099, 432158, 730198, 1512553, 3025106, 10587871, 21175742]

約数ペア:

[(1, 21175742), (2, 10587871), (7, 3025106), (14, 1512553), (29, 730198), (49, 432158), (58, 365099), (98, 216079), (203, 104314), (406, 52157), (1421, 14902), (2842, 7451)]