21690576

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 64686336

約数和(自身を除く): 42995760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 62, 72, 86, 93, 113, 124, 129, 144, 172, 186, 226, 248, 258, 279, 339, 344, 372, 387, 452, 496, 516, 558, 678, 688, 744, 774, 904, 1017, 1032, 1116, 1333, 1356, 1488, 1548, 1808, 2034, 2064, 2232, 2666, 2712, 3096, 3503, 3999, 4068, 4464, 4859, 5332, 5424, 6192, 7006, 7998, 8136, 9718, 10509, 10664, 11997, 14012, 14577, 15996, 16272, 19436, 21018, 21328, 23994, 28024, 29154, 31527, 31992, 38872, 42036, 43731, 47988, 56048, 58308, 63054, 63984, 77744, 84072, 87462, 95976, 116616, 126108, 150629, 168144, 174924, 191952, 233232, 252216, 301258, 349848, 451887, 504432, 602516, 699696, 903774, 1205032, 1355661, 1807548, 2410064, 2711322, 3615096, 5422644, 7230192, 10845288, 21690576]

約数ペア:

[(1, 21690576), (2, 10845288), (3, 7230192), (4, 5422644), (6, 3615096), (8, 2711322), (9, 2410064), (12, 1807548), (16, 1355661), (18, 1205032), (24, 903774), (31, 699696), (36, 602516), (43, 504432), (48, 451887), (62, 349848), (72, 301258), (86, 252216), (93, 233232), (113, 191952), (124, 174924), (129, 168144), (144, 150629), (172, 126108), (186, 116616), (226, 95976), (248, 87462), (258, 84072), (279, 77744), (339, 63984), (344, 63054), (372, 58308), (387, 56048), (452, 47988), (496, 43731), (516, 42036), (558, 38872), (678, 31992), (688, 31527), (744, 29154), (774, 28024), (904, 23994), (1017, 21328), (1032, 21018), (1116, 19436), (1333, 16272), (1356, 15996), (1488, 14577), (1548, 14012), (1808, 11997), (2034, 10664), (2064, 10509), (2232, 9718), (2666, 8136), (2712, 7998), (3096, 7006), (3503, 6192), (3999, 5424), (4068, 5332), (4464, 4859)]