21591666

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 48

約数和(自身を含む): 50771448

約数和(自身を除く): 29179782

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 51, 82, 102, 123, 153, 246, 306, 369, 697, 738, 1394, 1721, 2091, 3442, 4182, 5163, 6273, 10326, 12546, 15489, 29257, 30978, 58514, 70561, 87771, 141122, 175542, 211683, 263313, 423366, 526626, 635049, 1199537, 1270098, 2399074, 3598611, 7197222, 10795833, 21591666]

約数ペア:

[(1, 21591666), (2, 10795833), (3, 7197222), (6, 3598611), (9, 2399074), (17, 1270098), (18, 1199537), (34, 635049), (41, 526626), (51, 423366), (82, 263313), (102, 211683), (123, 175542), (153, 141122), (246, 87771), (306, 70561), (369, 58514), (697, 30978), (738, 29257), (1394, 15489), (1721, 12546), (2091, 10326), (3442, 6273), (4182, 5163)]