21554424

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 160

約数和(自身を含む): 66211200

約数和(自身を除く): 44656776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 31, 36, 37, 54, 58, 62, 72, 74, 81, 87, 93, 108, 111, 116, 124, 148, 162, 174, 186, 216, 222, 232, 248, 261, 279, 296, 324, 333, 348, 372, 444, 522, 558, 648, 666, 696, 744, 783, 837, 888, 899, 999, 1044, 1073, 1116, 1147, 1332, 1566, 1674, 1798, 1998, 2088, 2146, 2232, 2294, 2349, 2511, 2664, 2697, 2997, 3132, 3219, 3348, 3441, 3596, 3996, 4292, 4588, 4698, 5022, 5394, 5994, 6264, 6438, 6696, 6882, 7192, 7992, 8091, 8584, 9176, 9396, 9657, 10044, 10323, 10788, 11988, 12876, 13764, 16182, 18792, 19314, 20088, 20646, 21576, 23976, 24273, 25752, 27528, 28971, 30969, 32364, 33263, 38628, 41292, 48546, 57942, 61938, 64728, 66526, 72819, 77256, 82584, 86913, 92907, 97092, 99789, 115884, 123876, 133052, 145638, 173826, 185814, 194184, 199578, 231768, 247752, 266104, 291276, 299367, 347652, 371628, 399156, 582552, 598734, 695304, 743256, 798312, 898101, 1197468, 1796202, 2394936, 2694303, 3592404, 5388606, 7184808, 10777212, 21554424]

約数ペア:

[(1, 21554424), (2, 10777212), (3, 7184808), (4, 5388606), (6, 3592404), (8, 2694303), (9, 2394936), (12, 1796202), (18, 1197468), (24, 898101), (27, 798312), (29, 743256), (31, 695304), (36, 598734), (37, 582552), (54, 399156), (58, 371628), (62, 347652), (72, 299367), (74, 291276), (81, 266104), (87, 247752), (93, 231768), (108, 199578), (111, 194184), (116, 185814), (124, 173826), (148, 145638), (162, 133052), (174, 123876), (186, 115884), (216, 99789), (222, 97092), (232, 92907), (248, 86913), (261, 82584), (279, 77256), (296, 72819), (324, 66526), (333, 64728), (348, 61938), (372, 57942), (444, 48546), (522, 41292), (558, 38628), (648, 33263), (666, 32364), (696, 30969), (744, 28971), (783, 27528), (837, 25752), (888, 24273), (899, 23976), (999, 21576), (1044, 20646), (1073, 20088), (1116, 19314), (1147, 18792), (1332, 16182), (1566, 13764), (1674, 12876), (1798, 11988), (1998, 10788), (2088, 10323), (2146, 10044), (2232, 9657), (2294, 9396), (2349, 9176), (2511, 8584), (2664, 8091), (2697, 7992), (2997, 7192), (3132, 6882), (3219, 6696), (3348, 6438), (3441, 6264), (3596, 5994), (3996, 5394), (4292, 5022), (4588, 4698)]