21168144

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 63399960

約数和(自身を除く): 42231816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 37, 48, 58, 72, 74, 87, 111, 116, 137, 144, 148, 174, 222, 232, 261, 274, 296, 333, 348, 411, 444, 464, 522, 548, 592, 666, 696, 822, 888, 1044, 1073, 1096, 1233, 1332, 1392, 1644, 1776, 2088, 2146, 2192, 2466, 2664, 3219, 3288, 3973, 4176, 4292, 4932, 5069, 5328, 6438, 6576, 7946, 8584, 9657, 9864, 10138, 11919, 12876, 15207, 15892, 17168, 19314, 19728, 20276, 23838, 25752, 30414, 31784, 35757, 38628, 40552, 45621, 47676, 51504, 60828, 63568, 71514, 77256, 81104, 91242, 95352, 121656, 143028, 147001, 154512, 182484, 190704, 243312, 286056, 294002, 364968, 441003, 572112, 588004, 729936, 882006, 1176008, 1323009, 1764012, 2352016, 2646018, 3528024, 5292036, 7056048, 10584072, 21168144]

約数ペア:

[(1, 21168144), (2, 10584072), (3, 7056048), (4, 5292036), (6, 3528024), (8, 2646018), (9, 2352016), (12, 1764012), (16, 1323009), (18, 1176008), (24, 882006), (29, 729936), (36, 588004), (37, 572112), (48, 441003), (58, 364968), (72, 294002), (74, 286056), (87, 243312), (111, 190704), (116, 182484), (137, 154512), (144, 147001), (148, 143028), (174, 121656), (222, 95352), (232, 91242), (261, 81104), (274, 77256), (296, 71514), (333, 63568), (348, 60828), (411, 51504), (444, 47676), (464, 45621), (522, 40552), (548, 38628), (592, 35757), (666, 31784), (696, 30414), (822, 25752), (888, 23838), (1044, 20276), (1073, 19728), (1096, 19314), (1233, 17168), (1332, 15892), (1392, 15207), (1644, 12876), (1776, 11919), (2088, 10138), (2146, 9864), (2192, 9657), (2466, 8584), (2664, 7946), (3219, 6576), (3288, 6438), (3973, 5328), (4176, 5069), (4292, 4932)]