21427056

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:783

約数の個数: 120

約数和(自身を含む): 70992480

約数和(自身を除く): 49565424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 56, 58, 63, 72, 84, 87, 112, 116, 126, 144, 168, 174, 203, 232, 252, 261, 336, 348, 406, 464, 504, 522, 609, 696, 733, 812, 1008, 1044, 1218, 1392, 1466, 1624, 1827, 2088, 2199, 2436, 2932, 3248, 3654, 4176, 4398, 4872, 5131, 5864, 6597, 7308, 8796, 9744, 10262, 11728, 13194, 14616, 15393, 17592, 20524, 21257, 26388, 29232, 30786, 35184, 41048, 42514, 46179, 52776, 61572, 63771, 82096, 85028, 92358, 105552, 123144, 127542, 148799, 170056, 184716, 191313, 246288, 255084, 297598, 340112, 369432, 382626, 446397, 510168, 595196, 738864, 765252, 892794, 1020336, 1190392, 1339191, 1530504, 1785588, 2380784, 2678382, 3061008, 3571176, 5356764, 7142352, 10713528, 21427056]

約数ペア:

[(1, 21427056), (2, 10713528), (3, 7142352), (4, 5356764), (6, 3571176), (7, 3061008), (8, 2678382), (9, 2380784), (12, 1785588), (14, 1530504), (16, 1339191), (18, 1190392), (21, 1020336), (24, 892794), (28, 765252), (29, 738864), (36, 595196), (42, 510168), (48, 446397), (56, 382626), (58, 369432), (63, 340112), (72, 297598), (84, 255084), (87, 246288), (112, 191313), (116, 184716), (126, 170056), (144, 148799), (168, 127542), (174, 123144), (203, 105552), (232, 92358), (252, 85028), (261, 82096), (336, 63771), (348, 61572), (406, 52776), (464, 46179), (504, 42514), (522, 41048), (609, 35184), (696, 30786), (733, 29232), (812, 26388), (1008, 21257), (1044, 20524), (1218, 17592), (1392, 15393), (1466, 14616), (1624, 13194), (1827, 11728), (2088, 10262), (2199, 9744), (2436, 8796), (2932, 7308), (3248, 6597), (3654, 5864), (4176, 5131), (4398, 4872)]