21275632

素因数分解:

$2^4\times 7^1\times {\mathrm{189961}}^1$

素因数の和:189976

約数の個数: 20

約数和(自身を含む): 47110576

約数和(自身を除く): 25834944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189961, 379922, 759844, 1329727, 1519688, 2659454, 3039376, 5318908, 10637816, 21275632]

約数ペア:

[(1, 21275632), (2, 10637816), (4, 5318908), (7, 3039376), (8, 2659454), (14, 1519688), (16, 1329727), (28, 759844), (56, 379922), (112, 189961)]