21544816

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2999}}^1$

素因数の和:3456

約数の個数: 20

約数和(自身を含む): 41850000

約数和(自身を除く): 20305184

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 2999, 3592, 5998, 7184, 11996, 23992, 47984, 1346551, 2693102, 5386204, 10772408, 21544816]

約数ペア:

[(1, 21544816), (2, 10772408), (4, 5386204), (8, 2693102), (16, 1346551), (449, 47984), (898, 23992), (1796, 11996), (2999, 7184), (3592, 5998)]