21851386

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4269

約数の個数: 16

約数和(自身を含む): 34145280

約数和(自身を除く): 12293894

約数列:

[1, 2, 37, 71, 74, 142, 2627, 4159, 5254, 8318, 153883, 295289, 307766, 590578, 10925693, 21851386]

約数ペア:

[(1, 21851386), (2, 10925693), (37, 590578), (71, 307766), (74, 295289), (142, 153883), (2627, 8318), (4159, 5254)]