21441044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5323}}^1$

素因数の和:5399

約数の個数: 24

約数和(自身を含む): 40249440

約数和(自身を除く): 18808396

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5323, 10646, 21292, 101137, 202274, 282119, 404548, 564238, 1128476, 5360261, 10720522, 21441044]

約数ペア:

[(1, 21441044), (2, 10720522), (4, 5360261), (19, 1128476), (38, 564238), (53, 404548), (76, 282119), (106, 202274), (212, 101137), (1007, 21292), (2014, 10646), (4028, 5323)]