21811886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19793}}^1$

素因数の和:19843

約数の個数: 16

約数和(自身を含む): 35629200

約数和(自身を除く): 13817314

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19793, 39586, 376067, 573997, 752134, 1147994, 10905943, 21811886]

約数ペア:

[(1, 21811886), (2, 10905943), (19, 1147994), (29, 752134), (38, 573997), (58, 376067), (551, 39586), (1102, 19793)]