21649296

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 60692544

約数和(自身を除く): 39043248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 43, 48, 51, 68, 86, 102, 129, 136, 172, 204, 258, 272, 344, 408, 516, 617, 688, 731, 816, 1032, 1234, 1462, 1851, 2064, 2193, 2468, 2924, 3702, 4386, 4936, 5848, 7404, 8772, 9872, 10489, 11696, 14808, 17544, 20978, 26531, 29616, 31467, 35088, 41956, 53062, 62934, 79593, 83912, 106124, 125868, 159186, 167824, 212248, 251736, 318372, 424496, 451027, 503472, 636744, 902054, 1273488, 1353081, 1804108, 2706162, 3608216, 5412324, 7216432, 10824648, 21649296]

約数ペア:

[(1, 21649296), (2, 10824648), (3, 7216432), (4, 5412324), (6, 3608216), (8, 2706162), (12, 1804108), (16, 1353081), (17, 1273488), (24, 902054), (34, 636744), (43, 503472), (48, 451027), (51, 424496), (68, 318372), (86, 251736), (102, 212248), (129, 167824), (136, 159186), (172, 125868), (204, 106124), (258, 83912), (272, 79593), (344, 62934), (408, 53062), (516, 41956), (617, 35088), (688, 31467), (731, 29616), (816, 26531), (1032, 20978), (1234, 17544), (1462, 14808), (1851, 11696), (2064, 10489), (2193, 9872), (2468, 8772), (2924, 7404), (3702, 5848), (4386, 4936)]