21228377

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 23544000

約数和(自身を除く): 2315623

約数列:

[1, 19, 29, 59, 551, 653, 1121, 1711, 12407, 18937, 32509, 38527, 359803, 732013, 1117283, 21228377]

約数ペア:

[(1, 21228377), (19, 1117283), (29, 732013), (59, 359803), (551, 38527), (653, 32509), (1121, 18937), (1711, 12407)]