21775736

素因数分解:

$2^3\times {\mathrm{1303}}^1\times {\mathrm{2089}}^1$

素因数の和:3398

約数の個数: 16

約数和(自身を含む): 40880400

約数和(自身を除く): 19104664

約数列:

[1, 2, 4, 8, 1303, 2089, 2606, 4178, 5212, 8356, 10424, 16712, 2721967, 5443934, 10887868, 21775736]

約数ペア:

[(1, 21775736), (2, 10887868), (4, 5443934), (8, 2721967), (1303, 16712), (2089, 10424), (2606, 8356), (4178, 5212)]