21000921918

素因数分解:

$2^1\times 3^1\times {\mathrm{3191}}^1\times {\mathrm{1096883}}^1$

素因数の和:1100079

約数の個数: 16

約数和(自身を含む): 42015044736

約数和(自身を除く): 21014122818

約数列:

[1, 2, 3, 6, 3191, 6382, 9573, 19146, 1096883, 2193766, 3290649, 6581298, 3500153653, 7000307306, 10500460959, 21000921918]

約数ペア:

[(1, 21000921918), (2, 10500460959), (3, 7000307306), (6, 3500153653), (3191, 6581298), (6382, 3290649), (9573, 2193766), (19146, 1096883)]