21021026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2203}}^1$

素因数の和:2585

約数の個数: 16

約数和(自身を含む): 34065024

約数和(自身を除く): 13043998

約数列:

[1, 2, 13, 26, 367, 734, 2203, 4406, 4771, 9542, 28639, 57278, 808501, 1617002, 10510513, 21021026]

約数ペア:

[(1, 21021026), (2, 10510513), (13, 1617002), (26, 808501), (367, 57278), (734, 28639), (2203, 9542), (4406, 4771)]