21515648

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 55814400

約数和(自身を除く): 34298752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 59, 64, 74, 77, 88, 112, 118, 128, 148, 154, 176, 224, 236, 259, 296, 308, 352, 407, 413, 448, 472, 518, 592, 616, 649, 704, 814, 826, 896, 944, 1036, 1184, 1232, 1298, 1408, 1628, 1652, 1888, 2072, 2183, 2368, 2464, 2596, 2849, 3256, 3304, 3776, 4144, 4366, 4543, 4736, 4928, 5192, 5698, 6512, 6608, 7552, 8288, 8732, 9086, 9856, 10384, 11396, 13024, 13216, 15281, 16576, 17464, 18172, 20768, 22792, 24013, 26048, 26432, 30562, 33152, 34928, 36344, 41536, 45584, 48026, 52096, 52864, 61124, 69856, 72688, 83072, 91168, 96052, 122248, 139712, 145376, 168091, 182336, 192104, 244496, 279424, 290752, 336182, 364672, 384208, 488992, 581504, 672364, 768416, 977984, 1344728, 1536832, 1955968, 2689456, 3073664, 5378912, 10757824, 21515648]

約数ペア:

[(1, 21515648), (2, 10757824), (4, 5378912), (7, 3073664), (8, 2689456), (11, 1955968), (14, 1536832), (16, 1344728), (22, 977984), (28, 768416), (32, 672364), (37, 581504), (44, 488992), (56, 384208), (59, 364672), (64, 336182), (74, 290752), (77, 279424), (88, 244496), (112, 192104), (118, 182336), (128, 168091), (148, 145376), (154, 139712), (176, 122248), (224, 96052), (236, 91168), (259, 83072), (296, 72688), (308, 69856), (352, 61124), (407, 52864), (413, 52096), (448, 48026), (472, 45584), (518, 41536), (592, 36344), (616, 34928), (649, 33152), (704, 30562), (814, 26432), (826, 26048), (896, 24013), (944, 22792), (1036, 20768), (1184, 18172), (1232, 17464), (1298, 16576), (1408, 15281), (1628, 13216), (1652, 13024), (1888, 11396), (2072, 10384), (2183, 9856), (2368, 9086), (2464, 8732), (2596, 8288), (2849, 7552), (3256, 6608), (3304, 6512), (3776, 5698), (4144, 5192), (4366, 4928), (4543, 4736)]