21182161

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3023}}^1$

素因数の和:3061

約数の個数: 24

約数和(自身を含む): 28957824

約数和(自身を除く): 7775663

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 3023, 7007, 21161, 33253, 39299, 148127, 232771, 275093, 432289, 1629397, 1925651, 3026023, 21182161]

約数ペア:

[(1, 21182161), (7, 3026023), (11, 1925651), (13, 1629397), (49, 432289), (77, 275093), (91, 232771), (143, 148127), (539, 39299), (637, 33253), (1001, 21161), (3023, 7007)]