21653376

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 63452160

約数和(自身を除く): 41798784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 64, 68, 93, 96, 102, 107, 124, 128, 136, 186, 192, 204, 214, 248, 272, 321, 372, 384, 408, 428, 496, 527, 544, 642, 744, 816, 856, 992, 1054, 1088, 1284, 1488, 1581, 1632, 1712, 1819, 1984, 2108, 2176, 2568, 2976, 3162, 3264, 3317, 3424, 3638, 3968, 4216, 5136, 5457, 5952, 6324, 6528, 6634, 6848, 7276, 8432, 9951, 10272, 10914, 11904, 12648, 13268, 13696, 14552, 16864, 19902, 20544, 21828, 25296, 26536, 29104, 33728, 39804, 41088, 43656, 50592, 53072, 56389, 58208, 67456, 79608, 87312, 101184, 106144, 112778, 116416, 159216, 169167, 174624, 202368, 212288, 225556, 232832, 318432, 338334, 349248, 424576, 451112, 636864, 676668, 698496, 902224, 1273728, 1353336, 1804448, 2706672, 3608896, 5413344, 7217792, 10826688, 21653376]

約数ペア:

[(1, 21653376), (2, 10826688), (3, 7217792), (4, 5413344), (6, 3608896), (8, 2706672), (12, 1804448), (16, 1353336), (17, 1273728), (24, 902224), (31, 698496), (32, 676668), (34, 636864), (48, 451112), (51, 424576), (62, 349248), (64, 338334), (68, 318432), (93, 232832), (96, 225556), (102, 212288), (107, 202368), (124, 174624), (128, 169167), (136, 159216), (186, 116416), (192, 112778), (204, 106144), (214, 101184), (248, 87312), (272, 79608), (321, 67456), (372, 58208), (384, 56389), (408, 53072), (428, 50592), (496, 43656), (527, 41088), (544, 39804), (642, 33728), (744, 29104), (816, 26536), (856, 25296), (992, 21828), (1054, 20544), (1088, 19902), (1284, 16864), (1488, 14552), (1581, 13696), (1632, 13268), (1712, 12648), (1819, 11904), (1984, 10914), (2108, 10272), (2176, 9951), (2568, 8432), (2976, 7276), (3162, 6848), (3264, 6634), (3317, 6528), (3424, 6324), (3638, 5952), (3968, 5457), (4216, 5136)]