21140928

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 126

約数和(自身を含む): 64877696

約数和(自身を除く): 43736768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 127, 136, 144, 153, 192, 204, 254, 272, 288, 289, 306, 381, 408, 508, 544, 576, 578, 612, 762, 816, 867, 1016, 1088, 1143, 1156, 1224, 1524, 1632, 1734, 2032, 2159, 2286, 2312, 2448, 2601, 3048, 3264, 3468, 4064, 4318, 4572, 4624, 4896, 5202, 6096, 6477, 6936, 8128, 8636, 9144, 9248, 9792, 10404, 12192, 12954, 13872, 17272, 18288, 18496, 19431, 20808, 24384, 25908, 27744, 34544, 36576, 36703, 38862, 41616, 51816, 55488, 69088, 73152, 73406, 77724, 83232, 103632, 110109, 138176, 146812, 155448, 166464, 207264, 220218, 293624, 310896, 330327, 414528, 440436, 587248, 621792, 660654, 880872, 1174496, 1243584, 1321308, 1761744, 2348992, 2642616, 3523488, 5285232, 7046976, 10570464, 21140928]

約数ペア:

[(1, 21140928), (2, 10570464), (3, 7046976), (4, 5285232), (6, 3523488), (8, 2642616), (9, 2348992), (12, 1761744), (16, 1321308), (17, 1243584), (18, 1174496), (24, 880872), (32, 660654), (34, 621792), (36, 587248), (48, 440436), (51, 414528), (64, 330327), (68, 310896), (72, 293624), (96, 220218), (102, 207264), (127, 166464), (136, 155448), (144, 146812), (153, 138176), (192, 110109), (204, 103632), (254, 83232), (272, 77724), (288, 73406), (289, 73152), (306, 69088), (381, 55488), (408, 51816), (508, 41616), (544, 38862), (576, 36703), (578, 36576), (612, 34544), (762, 27744), (816, 25908), (867, 24384), (1016, 20808), (1088, 19431), (1143, 18496), (1156, 18288), (1224, 17272), (1524, 13872), (1632, 12954), (1734, 12192), (2032, 10404), (2159, 9792), (2286, 9248), (2312, 9144), (2448, 8636), (2601, 8128), (3048, 6936), (3264, 6477), (3468, 6096), (4064, 5202), (4318, 4896), (4572, 4624)]