21689234

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3529}}^1$

素因数の和:3977

約数の個数: 16

約数和(自身を含む): 37276800

約数和(自身を除く): 15587566

約数列:

[1, 2, 7, 14, 439, 878, 3073, 3529, 6146, 7058, 24703, 49406, 1549231, 3098462, 10844617, 21689234]

約数ペア:

[(1, 21689234), (2, 10844617), (7, 3098462), (14, 1549231), (439, 49406), (878, 24703), (3073, 7058), (3529, 6146)]