21629377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1093}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 27096192

約数和(自身を除く): 5466815

約数列:

[1, 7, 11, 77, 257, 1093, 1799, 2827, 7651, 12023, 19789, 84161, 280901, 1966307, 3089911, 21629377]

約数ペア:

[(1, 21629377), (7, 3089911), (11, 1966307), (77, 280901), (257, 84161), (1093, 19789), (1799, 12023), (2827, 7651)]