21167659195

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{3733}}^1\times {\mathrm{15973}}^1$

素因数の和:19782

約数の個数: 16

約数和(自身を含む): 25767467712

約数和(自身を除く): 4599808517

約数列:

[1, 5, 71, 355, 3733, 15973, 18665, 79865, 265043, 1134083, 1325215, 5670415, 59627209, 298136045, 4233531839, 21167659195]

約数ペア:

[(1, 21167659195), (5, 4233531839), (71, 298136045), (355, 59627209), (3733, 5670415), (15973, 1325215), (18665, 1134083), (79865, 265043)]