21005496

素因数分解:

$2^3\times 3^2\times {\mathrm{291743}}^1$

素因数の和:291755

約数の個数: 24

約数和(自身を含む): 56890080

約数和(自身を除く): 35884584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291743, 583486, 875229, 1166972, 1750458, 2333944, 2625687, 3500916, 5251374, 7001832, 10502748, 21005496]

約数ペア:

[(1, 21005496), (2, 10502748), (3, 7001832), (4, 5251374), (6, 3500916), (8, 2625687), (9, 2333944), (12, 1750458), (18, 1166972), (24, 875229), (36, 583486), (72, 291743)]