21554748

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1024

約数の個数: 60

約数和(自身を含む): 57202992

約数和(自身を除く): 35648244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 937, 1278, 1874, 1917, 2556, 2811, 3748, 3834, 5622, 5751, 7668, 8433, 11244, 11502, 16866, 23004, 25299, 33732, 50598, 66527, 75897, 101196, 133054, 151794, 199581, 266108, 303588, 399162, 598743, 798324, 1197486, 1796229, 2394972, 3592458, 5388687, 7184916, 10777374, 21554748]

約数ペア:

[(1, 21554748), (2, 10777374), (3, 7184916), (4, 5388687), (6, 3592458), (9, 2394972), (12, 1796229), (18, 1197486), (27, 798324), (36, 598743), (54, 399162), (71, 303588), (81, 266108), (108, 199581), (142, 151794), (162, 133054), (213, 101196), (284, 75897), (324, 66527), (426, 50598), (639, 33732), (852, 25299), (937, 23004), (1278, 16866), (1874, 11502), (1917, 11244), (2556, 8433), (2811, 7668), (3748, 5751), (3834, 5622)]