21126392

素因数分解:

$2^3\times 7^1\times {\mathrm{377257}}^1$

素因数の和:377270

約数の個数: 16

約数和(自身を含む): 45270960

約数和(自身を除く): 24144568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377257, 754514, 1509028, 2640799, 3018056, 5281598, 10563196, 21126392]

約数ペア:

[(1, 21126392), (2, 10563196), (4, 5281598), (7, 3018056), (8, 2640799), (14, 1509028), (28, 754514), (56, 377257)]