21841402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3863}}^1$

素因数の和:4133

約数の個数: 16

約数和(自身を含む): 35888832

約数和(自身を除く): 14047430

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3863, 5654, 7726, 42493, 84986, 992791, 1985582, 10920701, 21841402]

約数ペア:

[(1, 21841402), (2, 10920701), (11, 1985582), (22, 992791), (257, 84986), (514, 42493), (2827, 7726), (3863, 5654)]