21919331

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5683}}^1$

素因数の和:5738

約数の個数: 16

約数和(自身を含む): 27283200

約数和(自身を除く): 5363869

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5683, 39781, 107977, 164807, 755839, 1153649, 3131333, 21919331]

約数ペア:

[(1, 21919331), (7, 3131333), (19, 1153649), (29, 755839), (133, 164807), (203, 107977), (551, 39781), (3857, 5683)]