21007976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238727}}^1$

素因数の和:238744

約数の個数: 16

約数和(自身を含む): 42971040

約数和(自身を除く): 21963064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238727, 477454, 954908, 1909816, 2625997, 5251994, 10503988, 21007976]

約数ペア:

[(1, 21007976), (2, 10503988), (4, 5251994), (8, 2625997), (11, 1909816), (22, 954908), (44, 477454), (88, 238727)]