21000608672

素因数分解:

$2^5\times {\mathrm{656269021}}^1$

素因数の和:656269031

約数の個数: 12

約数和(自身を含む): 41344948386

約数和(自身を除く): 20344339714

約数列:

[1, 2, 4, 8, 16, 32, 656269021, 1312538042, 2625076084, 5250152168, 10500304336, 21000608672]

約数ペア:

[(1, 21000608672), (2, 10500304336), (4, 5250152168), (8, 2625076084), (16, 1312538042), (32, 656269021)]