21070294568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{168433}}^1$

素因数の和:169281

約数の個数: 32

約数和(自身を含む): 41636884800

約数和(自身を除く): 20566590232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 823, 1646, 3292, 6584, 15637, 31274, 62548, 125096, 168433, 336866, 673732, 1347464, 3200227, 6400454, 12800908, 25601816, 138620359, 277240718, 554481436, 1108962872, 2633786821, 5267573642, 10535147284, 21070294568]

約数ペア:

[(1, 21070294568), (2, 10535147284), (4, 5267573642), (8, 2633786821), (19, 1108962872), (38, 554481436), (76, 277240718), (152, 138620359), (823, 25601816), (1646, 12800908), (3292, 6400454), (6584, 3200227), (15637, 1347464), (31274, 673732), (62548, 336866), (125096, 168433)]