21814492

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4079}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 43868160

約数和(自身を除く): 22053668

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 4079, 5348, 8158, 16316, 28553, 57106, 114212, 779089, 1558178, 3116356, 5453623, 10907246, 21814492]

約数ペア:

[(1, 21814492), (2, 10907246), (4, 5453623), (7, 3116356), (14, 1558178), (28, 779089), (191, 114212), (382, 57106), (764, 28553), (1337, 16316), (2674, 8158), (4079, 5348)]