21466940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97577}}^1$

素因数の和:97597

約数の個数: 24

約数和(自身を含む): 49179312

約数和(自身を除く): 27712372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97577, 195154, 390308, 487885, 975770, 1073347, 1951540, 2146694, 4293388, 5366735, 10733470, 21466940]

約数ペア:

[(1, 21466940), (2, 10733470), (4, 5366735), (5, 4293388), (10, 2146694), (11, 1951540), (20, 1073347), (22, 975770), (44, 487885), (55, 390308), (110, 195154), (220, 97577)]