21022550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22129}}^1$

素因数の和:22160

約数の個数: 24

約数和(自身を含む): 41161800

約数和(自身を除く): 20139250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22129, 44258, 110645, 221290, 420451, 553225, 840902, 1106450, 2102255, 4204510, 10511275, 21022550]

約数ペア:

[(1, 21022550), (2, 10511275), (5, 4204510), (10, 2102255), (19, 1106450), (25, 840902), (38, 553225), (50, 420451), (95, 221290), (190, 110645), (475, 44258), (950, 22129)]