21290976

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 49470624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 59, 63, 72, 84, 96, 112, 118, 126, 144, 168, 177, 179, 224, 236, 252, 288, 336, 354, 358, 413, 472, 504, 531, 537, 672, 708, 716, 826, 944, 1008, 1062, 1074, 1239, 1253, 1416, 1432, 1611, 1652, 1888, 2016, 2124, 2148, 2478, 2506, 2832, 2864, 3222, 3304, 3717, 3759, 4248, 4296, 4956, 5012, 5664, 5728, 6444, 6608, 7434, 7518, 8496, 8592, 9912, 10024, 10561, 11277, 12888, 13216, 14868, 15036, 16992, 17184, 19824, 20048, 21122, 22554, 25776, 29736, 30072, 31683, 39648, 40096, 42244, 45108, 51552, 59472, 60144, 63366, 73927, 84488, 90216, 95049, 118944, 120288, 126732, 147854, 168976, 180432, 190098, 221781, 253464, 295708, 337952, 360864, 380196, 443562, 506928, 591416, 665343, 760392, 887124, 1013856, 1182832, 1330686, 1520784, 1774248, 2365664, 2661372, 3041568, 3548496, 5322744, 7096992, 10645488, 21290976]

約数ペア:

[(1, 21290976), (2, 10645488), (3, 7096992), (4, 5322744), (6, 3548496), (7, 3041568), (8, 2661372), (9, 2365664), (12, 1774248), (14, 1520784), (16, 1330686), (18, 1182832), (21, 1013856), (24, 887124), (28, 760392), (32, 665343), (36, 591416), (42, 506928), (48, 443562), (56, 380196), (59, 360864), (63, 337952), (72, 295708), (84, 253464), (96, 221781), (112, 190098), (118, 180432), (126, 168976), (144, 147854), (168, 126732), (177, 120288), (179, 118944), (224, 95049), (236, 90216), (252, 84488), (288, 73927), (336, 63366), (354, 60144), (358, 59472), (413, 51552), (472, 45108), (504, 42244), (531, 40096), (537, 39648), (672, 31683), (708, 30072), (716, 29736), (826, 25776), (944, 22554), (1008, 21122), (1062, 20048), (1074, 19824), (1239, 17184), (1253, 16992), (1416, 15036), (1432, 14868), (1611, 13216), (1652, 12888), (1888, 11277), (2016, 10561), (2124, 10024), (2148, 9912), (2478, 8592), (2506, 8496), (2832, 7518), (2864, 7434), (3222, 6608), (3304, 6444), (3717, 5728), (3759, 5664), (4248, 5012), (4296, 4956)]