21907088

素因数分解:

$2^4\times 7^1\times {\mathrm{195599}}^1$

素因数の和:195614

約数の個数: 20

約数和(自身を含む): 48508800

約数和(自身を除く): 26601712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195599, 391198, 782396, 1369193, 1564792, 2738386, 3129584, 5476772, 10953544, 21907088]

約数ペア:

[(1, 21907088), (2, 10953544), (4, 5476772), (7, 3129584), (8, 2738386), (14, 1564792), (16, 1369193), (28, 782396), (56, 391198), (112, 195599)]