21023056

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{3121}}^1$

素因数の和:3550

約数の個数: 20

約数和(自身を含む): 40842004

約数和(自身を除く): 19818948

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3121, 3368, 6242, 6736, 12484, 24968, 49936, 1313941, 2627882, 5255764, 10511528, 21023056]

約数ペア:

[(1, 21023056), (2, 10511528), (4, 5255764), (8, 2627882), (16, 1313941), (421, 49936), (842, 24968), (1684, 12484), (3121, 6736), (3368, 6242)]