21819006

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30072834

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 263, 419, 526, 789, 838, 1257, 1578, 2367, 2514, 2893, 3771, 4609, 4734, 5786, 7542, 8679, 9218, 13827, 17358, 26037, 27654, 41481, 52074, 82962, 110197, 220394, 330591, 661182, 991773, 1212167, 1983546, 2424334, 3636501, 7273002, 10909503, 21819006]

約数ペア:

[(1, 21819006), (2, 10909503), (3, 7273002), (6, 3636501), (9, 2424334), (11, 1983546), (18, 1212167), (22, 991773), (33, 661182), (66, 330591), (99, 220394), (198, 110197), (263, 82962), (419, 52074), (526, 41481), (789, 27654), (838, 26037), (1257, 17358), (1578, 13827), (2367, 9218), (2514, 8679), (2893, 7542), (3771, 5786), (4609, 4734)]