21673456

素因数分解:

$2^4\times 7^1\times {\mathrm{193513}}^1$

素因数の和:193528

約数の個数: 20

約数和(自身を含む): 47991472

約数和(自身を除く): 26318016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193513, 387026, 774052, 1354591, 1548104, 2709182, 3096208, 5418364, 10836728, 21673456]

約数ペア:

[(1, 21673456), (2, 10836728), (4, 5418364), (7, 3096208), (8, 2709182), (14, 1548104), (16, 1354591), (28, 774052), (56, 387026), (112, 193513)]