21821842

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82037}}^1$

素因数の和:82065

約数の個数: 16

約数和(自身を含む): 39378240

約数和(自身を除く): 17556398

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82037, 164074, 574259, 1148518, 1558703, 3117406, 10910921, 21821842]

約数ペア:

[(1, 21821842), (2, 10910921), (7, 3117406), (14, 1558703), (19, 1148518), (38, 574259), (133, 164074), (266, 82037)]