21919730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16481}}^1$

素因数の和:16514

約数の個数: 32

約数和(自身を含む): 47468160

約数和(自身を除く): 25548430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16481, 32962, 82405, 115367, 164810, 230734, 313139, 576835, 626278, 1153670, 1565695, 2191973, 3131390, 4383946, 10959865, 21919730]

約数ペア:

[(1, 21919730), (2, 10959865), (5, 4383946), (7, 3131390), (10, 2191973), (14, 1565695), (19, 1153670), (35, 626278), (38, 576835), (70, 313139), (95, 230734), (133, 164810), (190, 115367), (266, 82405), (665, 32962), (1330, 16481)]