21551149017

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1\times {\mathrm{821}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 32730961536

約数和(自身を除く): 11179812519

約数列:

[1, 3, 9, 23, 69, 207, 211, 601, 633, 821, 1803, 1899, 2463, 4853, 5409, 7389, 13823, 14559, 18883, 41469, 43677, 56649, 124407, 126811, 169947, 173231, 380433, 493421, 519693, 1141299, 1480263, 1559079, 2916653, 3984313, 4440789, 8749959, 11348683, 11952939, 26249877, 34046049, 35858817, 102138147, 104111831, 312335493, 937006479, 2394572113, 7183716339, 21551149017]

約数ペア:

[(1, 21551149017), (3, 7183716339), (9, 2394572113), (23, 937006479), (69, 312335493), (207, 104111831), (211, 102138147), (601, 35858817), (633, 34046049), (821, 26249877), (1803, 11952939), (1899, 11348683), (2463, 8749959), (4853, 4440789), (5409, 3984313), (7389, 2916653), (13823, 1559079), (14559, 1480263), (18883, 1141299), (41469, 519693), (43677, 493421), (56649, 380433), (124407, 173231), (126811, 169947)]