21090198

素因数分解:

$2^1\times 3^1\times {\mathrm{823}}^1\times {\mathrm{4271}}^1$

素因数の和:5099

約数の個数: 16

約数和(自身を含む): 42241536

約数和(自身を除く): 21151338

約数列:

[1, 2, 3, 6, 823, 1646, 2469, 4271, 4938, 8542, 12813, 25626, 3515033, 7030066, 10545099, 21090198]

約数ペア:

[(1, 21090198), (2, 10545099), (3, 7030066), (6, 3515033), (823, 25626), (1646, 12813), (2469, 8542), (4271, 4938)]