21478752

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 66869712

約数和(自身を除く): 45390960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 41, 48, 51, 68, 72, 82, 96, 102, 107, 123, 136, 144, 153, 164, 204, 214, 246, 272, 288, 306, 321, 328, 369, 408, 428, 492, 544, 612, 642, 656, 697, 738, 816, 856, 963, 984, 1224, 1284, 1312, 1394, 1476, 1632, 1712, 1819, 1926, 1968, 2091, 2448, 2568, 2788, 2952, 3424, 3638, 3852, 3936, 4182, 4387, 4896, 5136, 5457, 5576, 5904, 6273, 7276, 7704, 8364, 8774, 10272, 10914, 11152, 11808, 12546, 13161, 14552, 15408, 16371, 16728, 17548, 21828, 22304, 25092, 26322, 29104, 30816, 32742, 33456, 35096, 39483, 43656, 50184, 52644, 58208, 65484, 66912, 70192, 74579, 78966, 87312, 100368, 105288, 130968, 140384, 149158, 157932, 174624, 200736, 210576, 223737, 261936, 298316, 315864, 421152, 447474, 523872, 596632, 631728, 671211, 894948, 1193264, 1263456, 1342422, 1789896, 2386528, 2684844, 3579792, 5369688, 7159584, 10739376, 21478752]

約数ペア:

[(1, 21478752), (2, 10739376), (3, 7159584), (4, 5369688), (6, 3579792), (8, 2684844), (9, 2386528), (12, 1789896), (16, 1342422), (17, 1263456), (18, 1193264), (24, 894948), (32, 671211), (34, 631728), (36, 596632), (41, 523872), (48, 447474), (51, 421152), (68, 315864), (72, 298316), (82, 261936), (96, 223737), (102, 210576), (107, 200736), (123, 174624), (136, 157932), (144, 149158), (153, 140384), (164, 130968), (204, 105288), (214, 100368), (246, 87312), (272, 78966), (288, 74579), (306, 70192), (321, 66912), (328, 65484), (369, 58208), (408, 52644), (428, 50184), (492, 43656), (544, 39483), (612, 35096), (642, 33456), (656, 32742), (697, 30816), (738, 29104), (816, 26322), (856, 25092), (963, 22304), (984, 21828), (1224, 17548), (1284, 16728), (1312, 16371), (1394, 15408), (1476, 14552), (1632, 13161), (1712, 12546), (1819, 11808), (1926, 11152), (1968, 10914), (2091, 10272), (2448, 8774), (2568, 8364), (2788, 7704), (2952, 7276), (3424, 6273), (3638, 5904), (3852, 5576), (3936, 5457), (4182, 5136), (4387, 4896)]