21303535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4903}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 28247040

約数和(自身を除く): 6943505

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4903, 24515, 53933, 269665, 387337, 1936685, 4260707, 21303535]

約数ペア:

[(1, 21303535), (5, 4260707), (11, 1936685), (55, 387337), (79, 269665), (395, 53933), (869, 24515), (4345, 4903)]