21621277559

素因数分解:

$7^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1\times {\mathrm{38729}}^1$

素因数の和:39370

約数の個数: 16

約数和(自身を含む): 24907417920

約数和(自身を除く): 3286140361

約数列:

[1, 7, 173, 461, 1211, 3227, 38729, 79753, 271103, 558271, 6700117, 17854069, 46900819, 124978483, 3088753937, 21621277559]

約数ペア:

[(1, 21621277559), (7, 3088753937), (173, 124978483), (461, 46900819), (1211, 17854069), (3227, 6700117), (38729, 558271), (79753, 271103)]