21038572

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{619}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 38278800

約数和(自身を除く): 17240228

約数列:

[1, 2, 4, 29, 58, 116, 293, 586, 619, 1172, 1238, 2476, 8497, 16994, 17951, 33988, 35902, 71804, 181367, 362734, 725468, 5259643, 10519286, 21038572]

約数ペア:

[(1, 21038572), (2, 10519286), (4, 5259643), (29, 725468), (58, 362734), (116, 181367), (293, 71804), (586, 35902), (619, 33988), (1172, 17951), (1238, 16994), (2476, 8497)]