21148798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{2141}}^1$

素因数の和:2603

約数の個数: 16

約数和(自身を含む): 34700400

約数和(自身を除く): 13551602

約数列:

[1, 2, 11, 22, 449, 898, 2141, 4282, 4939, 9878, 23551, 47102, 961309, 1922618, 10574399, 21148798]

約数ペア:

[(1, 21148798), (2, 10574399), (11, 1922618), (22, 961309), (449, 47102), (898, 23551), (2141, 9878), (4282, 4939)]