21904494

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51419}}^1$

素因数の和:51495

約数の個数: 16

約数和(自身を含む): 44426880

約数和(自身を除く): 22522386

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51419, 102838, 154257, 308514, 3650749, 7301498, 10952247, 21904494]

約数ペア:

[(1, 21904494), (2, 10952247), (3, 7301498), (6, 3650749), (71, 308514), (142, 154257), (213, 102838), (426, 51419)]