21471408

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 180

約数和(自身を含む): 74426040

約数和(自身を除く): 52954632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 98, 102, 112, 119, 126, 136, 144, 147, 153, 168, 179, 196, 204, 238, 252, 272, 294, 306, 336, 357, 358, 392, 408, 441, 476, 504, 537, 588, 612, 714, 716, 784, 816, 833, 882, 952, 1008, 1071, 1074, 1176, 1224, 1253, 1428, 1432, 1611, 1666, 1764, 1904, 2142, 2148, 2352, 2448, 2499, 2506, 2856, 2864, 3043, 3222, 3332, 3528, 3759, 4284, 4296, 4998, 5012, 5712, 6086, 6444, 6664, 7056, 7497, 7518, 8568, 8592, 8771, 9129, 9996, 10024, 11277, 12172, 12888, 13328, 14994, 15036, 17136, 17542, 18258, 19992, 20048, 21301, 22554, 24344, 25776, 26313, 27387, 29988, 30072, 35084, 36516, 39984, 42602, 45108, 48688, 52626, 54774, 59976, 60144, 63903, 70168, 73032, 78939, 85204, 90216, 105252, 109548, 119952, 127806, 140336, 146064, 149107, 157878, 170408, 180432, 191709, 210504, 219096, 255612, 298214, 315756, 340816, 383418, 421008, 438192, 447321, 511224, 596428, 631512, 766836, 894642, 1022448, 1192856, 1263024, 1341963, 1533672, 1789284, 2385712, 2683926, 3067344, 3578568, 5367852, 7157136, 10735704, 21471408]

約数ペア:

[(1, 21471408), (2, 10735704), (3, 7157136), (4, 5367852), (6, 3578568), (7, 3067344), (8, 2683926), (9, 2385712), (12, 1789284), (14, 1533672), (16, 1341963), (17, 1263024), (18, 1192856), (21, 1022448), (24, 894642), (28, 766836), (34, 631512), (36, 596428), (42, 511224), (48, 447321), (49, 438192), (51, 421008), (56, 383418), (63, 340816), (68, 315756), (72, 298214), (84, 255612), (98, 219096), (102, 210504), (112, 191709), (119, 180432), (126, 170408), (136, 157878), (144, 149107), (147, 146064), (153, 140336), (168, 127806), (179, 119952), (196, 109548), (204, 105252), (238, 90216), (252, 85204), (272, 78939), (294, 73032), (306, 70168), (336, 63903), (357, 60144), (358, 59976), (392, 54774), (408, 52626), (441, 48688), (476, 45108), (504, 42602), (537, 39984), (588, 36516), (612, 35084), (714, 30072), (716, 29988), (784, 27387), (816, 26313), (833, 25776), (882, 24344), (952, 22554), (1008, 21301), (1071, 20048), (1074, 19992), (1176, 18258), (1224, 17542), (1253, 17136), (1428, 15036), (1432, 14994), (1611, 13328), (1666, 12888), (1764, 12172), (1904, 11277), (2142, 10024), (2148, 9996), (2352, 9129), (2448, 8771), (2499, 8592), (2506, 8568), (2856, 7518), (2864, 7497), (3043, 7056), (3222, 6664), (3332, 6444), (3528, 6086), (3759, 5712), (4284, 5012), (4296, 4998)]