21993984

素因数分解:

$2^9\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 160

約数和(自身を含む): 68418240

約数和(自身を除く): 46424256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 43, 48, 54, 64, 72, 74, 86, 96, 108, 111, 128, 129, 144, 148, 172, 192, 216, 222, 256, 258, 288, 296, 333, 344, 384, 387, 432, 444, 512, 516, 576, 592, 666, 688, 768, 774, 864, 888, 999, 1032, 1152, 1161, 1184, 1332, 1376, 1536, 1548, 1591, 1728, 1776, 1998, 2064, 2304, 2322, 2368, 2664, 2752, 3096, 3182, 3456, 3552, 3996, 4128, 4608, 4644, 4736, 4773, 5328, 5504, 6192, 6364, 6912, 7104, 7992, 8256, 9288, 9472, 9546, 10656, 11008, 12384, 12728, 13824, 14208, 14319, 15984, 16512, 18576, 18944, 19092, 21312, 22016, 24768, 25456, 28416, 28638, 31968, 33024, 37152, 38184, 42624, 42957, 49536, 50912, 56832, 57276, 63936, 66048, 74304, 76368, 85248, 85914, 99072, 101824, 114552, 127872, 148608, 152736, 170496, 171828, 198144, 203648, 229104, 255744, 297216, 305472, 343656, 407296, 458208, 511488, 594432, 610944, 687312, 814592, 916416, 1221888, 1374624, 1832832, 2443776, 2749248, 3665664, 5498496, 7331328, 10996992, 21993984]

約数ペア:

[(1, 21993984), (2, 10996992), (3, 7331328), (4, 5498496), (6, 3665664), (8, 2749248), (9, 2443776), (12, 1832832), (16, 1374624), (18, 1221888), (24, 916416), (27, 814592), (32, 687312), (36, 610944), (37, 594432), (43, 511488), (48, 458208), (54, 407296), (64, 343656), (72, 305472), (74, 297216), (86, 255744), (96, 229104), (108, 203648), (111, 198144), (128, 171828), (129, 170496), (144, 152736), (148, 148608), (172, 127872), (192, 114552), (216, 101824), (222, 99072), (256, 85914), (258, 85248), (288, 76368), (296, 74304), (333, 66048), (344, 63936), (384, 57276), (387, 56832), (432, 50912), (444, 49536), (512, 42957), (516, 42624), (576, 38184), (592, 37152), (666, 33024), (688, 31968), (768, 28638), (774, 28416), (864, 25456), (888, 24768), (999, 22016), (1032, 21312), (1152, 19092), (1161, 18944), (1184, 18576), (1332, 16512), (1376, 15984), (1536, 14319), (1548, 14208), (1591, 13824), (1728, 12728), (1776, 12384), (1998, 11008), (2064, 10656), (2304, 9546), (2322, 9472), (2368, 9288), (2664, 8256), (2752, 7992), (3096, 7104), (3182, 6912), (3456, 6364), (3552, 6192), (3996, 5504), (4128, 5328), (4608, 4773), (4644, 4736)]