21089873

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4517}}^1$

素因数の和:4576

約数の個数: 16

約数和(自身を含む): 26023680

約数和(自身を除く): 4933807

約数列:

[1, 7, 23, 29, 161, 203, 667, 4517, 4669, 31619, 103891, 130993, 727237, 916951, 3012839, 21089873]

約数ペア:

[(1, 21089873), (7, 3012839), (23, 916951), (29, 727237), (161, 130993), (203, 103891), (667, 31619), (4517, 4669)]