21044104

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{4091}}^1$

素因数の和:4740

約数の個数: 16

約数和(自身を含む): 39528720

約数和(自身を除く): 18484616

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 4091, 5144, 8182, 16364, 32728, 2630513, 5261026, 10522052, 21044104]

約数ペア:

[(1, 21044104), (2, 10522052), (4, 5261026), (8, 2630513), (643, 32728), (1286, 16364), (2572, 8182), (4091, 5144)]