21400668

素因数分解:

$2^2\times 3^2\times {\mathrm{733}}^1\times {\mathrm{811}}^1$

素因数の和:1554

約数の個数: 36

約数和(自身を含む): 54236728

約数和(自身を除く): 32836060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 733, 811, 1466, 1622, 2199, 2433, 2932, 3244, 4398, 4866, 6597, 7299, 8796, 9732, 13194, 14598, 26388, 29196, 594463, 1188926, 1783389, 2377852, 3566778, 5350167, 7133556, 10700334, 21400668]

約数ペア:

[(1, 21400668), (2, 10700334), (3, 7133556), (4, 5350167), (6, 3566778), (9, 2377852), (12, 1783389), (18, 1188926), (36, 594463), (733, 29196), (811, 26388), (1466, 14598), (1622, 13194), (2199, 9732), (2433, 8796), (2932, 7299), (3244, 6597), (4398, 4866)]