21000966555

素因数分解:

$3^1\times 5^1\times {\mathrm{12853}}^1\times {\mathrm{108929}}^1$

素因数の和:121790

約数の個数: 16

約数和(自身を含む): 33604469280

約数和(自身を除く): 12603502725

約数列:

[1, 3, 5, 15, 12853, 38559, 64265, 108929, 192795, 326787, 544645, 1633935, 1400064437, 4200193311, 7000322185, 21000966555]

約数ペア:

[(1, 21000966555), (3, 7000322185), (5, 4200193311), (15, 1400064437), (12853, 1633935), (38559, 544645), (64265, 326787), (108929, 192795)]