21490462

素因数分解:

$2^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1787}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 36904320

約数和(自身を除く): 15413858

約数列:

[1, 2, 7, 14, 859, 1718, 1787, 3574, 6013, 12026, 12509, 25018, 1535033, 3070066, 10745231, 21490462]

約数ペア:

[(1, 21490462), (2, 10745231), (7, 3070066), (14, 1535033), (859, 25018), (1718, 12509), (1787, 12026), (3574, 6013)]