21651168

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 74027520

約数和(自身を除く): 52376352

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 29, 32, 33, 42, 44, 48, 56, 58, 66, 77, 84, 87, 88, 96, 101, 112, 116, 132, 154, 168, 174, 176, 202, 203, 224, 231, 232, 264, 303, 308, 319, 336, 348, 352, 404, 406, 462, 464, 528, 606, 609, 616, 638, 672, 696, 707, 808, 812, 924, 928, 957, 1056, 1111, 1212, 1218, 1232, 1276, 1392, 1414, 1616, 1624, 1848, 1914, 2121, 2222, 2233, 2424, 2436, 2464, 2552, 2784, 2828, 2929, 3232, 3248, 3333, 3696, 3828, 4242, 4444, 4466, 4848, 4872, 5104, 5656, 5858, 6496, 6666, 6699, 7392, 7656, 7777, 8484, 8787, 8888, 8932, 9696, 9744, 10208, 11312, 11716, 13332, 13398, 15312, 15554, 16968, 17574, 17776, 17864, 19488, 20503, 22624, 23331, 23432, 26664, 26796, 30624, 31108, 32219, 33936, 35148, 35552, 35728, 41006, 46662, 46864, 53328, 53592, 61509, 62216, 64438, 67872, 70296, 71456, 82012, 93324, 93728, 96657, 106656, 107184, 123018, 124432, 128876, 140592, 164024, 186648, 193314, 214368, 225533, 246036, 248864, 257752, 281184, 328048, 373296, 386628, 451066, 492072, 515504, 656096, 676599, 746592, 773256, 902132, 984144, 1031008, 1353198, 1546512, 1804264, 1968288, 2706396, 3093024, 3608528, 5412792, 7217056, 10825584, 21651168]

約数ペア:

[(1, 21651168), (2, 10825584), (3, 7217056), (4, 5412792), (6, 3608528), (7, 3093024), (8, 2706396), (11, 1968288), (12, 1804264), (14, 1546512), (16, 1353198), (21, 1031008), (22, 984144), (24, 902132), (28, 773256), (29, 746592), (32, 676599), (33, 656096), (42, 515504), (44, 492072), (48, 451066), (56, 386628), (58, 373296), (66, 328048), (77, 281184), (84, 257752), (87, 248864), (88, 246036), (96, 225533), (101, 214368), (112, 193314), (116, 186648), (132, 164024), (154, 140592), (168, 128876), (174, 124432), (176, 123018), (202, 107184), (203, 106656), (224, 96657), (231, 93728), (232, 93324), (264, 82012), (303, 71456), (308, 70296), (319, 67872), (336, 64438), (348, 62216), (352, 61509), (404, 53592), (406, 53328), (462, 46864), (464, 46662), (528, 41006), (606, 35728), (609, 35552), (616, 35148), (638, 33936), (672, 32219), (696, 31108), (707, 30624), (808, 26796), (812, 26664), (924, 23432), (928, 23331), (957, 22624), (1056, 20503), (1111, 19488), (1212, 17864), (1218, 17776), (1232, 17574), (1276, 16968), (1392, 15554), (1414, 15312), (1616, 13398), (1624, 13332), (1848, 11716), (1914, 11312), (2121, 10208), (2222, 9744), (2233, 9696), (2424, 8932), (2436, 8888), (2464, 8787), (2552, 8484), (2784, 7777), (2828, 7656), (2929, 7392), (3232, 6699), (3248, 6666), (3333, 6496), (3696, 5858), (3828, 5656), (4242, 5104), (4444, 4872), (4466, 4848)]