21381036339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14817073}}^1$

素因数の和:14817126

約数の個数: 16

約数和(自身を含む): 31530733472

約数和(自身を除く): 10149697133

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14817073, 44451219, 192621949, 548231701, 577865847, 1644695103, 7127012113, 21381036339]

約数ペア:

[(1, 21381036339), (3, 7127012113), (13, 1644695103), (37, 577865847), (39, 548231701), (111, 192621949), (481, 44451219), (1443, 14817073)]