21531244

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1579}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 43178240

約数和(自身を除く): 21646996

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1579, 1948, 3158, 3409, 6316, 6818, 11053, 13636, 22106, 44212, 768973, 1537946, 3075892, 5382811, 10765622, 21531244]

約数ペア:

[(1, 21531244), (2, 10765622), (4, 5382811), (7, 3075892), (14, 1537946), (28, 768973), (487, 44212), (974, 22106), (1579, 13636), (1948, 11053), (3158, 6818), (3409, 6316)]