21239454

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186311}}^1$

素因数の和:186335

約数の個数: 16

約数和(自身を含む): 44714880

約数和(自身を除く): 23475426

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186311, 372622, 558933, 1117866, 3539909, 7079818, 10619727, 21239454]

約数ペア:

[(1, 21239454), (2, 10619727), (3, 7079818), (6, 3539909), (19, 1117866), (38, 558933), (57, 372622), (114, 186311)]