21012992

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 160

約数和(自身を含む): 57746304

約数和(自身を除く): 36733312

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 41, 44, 52, 56, 64, 77, 82, 88, 91, 104, 112, 128, 143, 154, 164, 176, 182, 208, 224, 256, 286, 287, 308, 328, 352, 364, 416, 448, 451, 512, 533, 572, 574, 616, 656, 704, 728, 832, 896, 902, 1001, 1066, 1144, 1148, 1232, 1312, 1408, 1456, 1664, 1792, 1804, 2002, 2132, 2288, 2296, 2464, 2624, 2816, 2912, 3157, 3328, 3584, 3608, 3731, 4004, 4264, 4576, 4592, 4928, 5248, 5632, 5824, 5863, 6314, 6656, 7216, 7462, 8008, 8528, 9152, 9184, 9856, 10496, 11648, 11726, 12628, 14432, 14924, 16016, 17056, 18304, 18368, 19712, 20992, 23296, 23452, 25256, 28864, 29848, 32032, 34112, 36608, 36736, 39424, 41041, 46592, 46904, 50512, 57728, 59696, 64064, 68224, 73216, 73472, 82082, 93808, 101024, 115456, 119392, 128128, 136448, 146944, 164164, 187616, 202048, 230912, 238784, 256256, 272896, 328328, 375232, 404096, 477568, 512512, 656656, 750464, 808192, 955136, 1313312, 1500928, 1616384, 1910272, 2626624, 3001856, 5253248, 10506496, 21012992]

約数ペア:

[(1, 21012992), (2, 10506496), (4, 5253248), (7, 3001856), (8, 2626624), (11, 1910272), (13, 1616384), (14, 1500928), (16, 1313312), (22, 955136), (26, 808192), (28, 750464), (32, 656656), (41, 512512), (44, 477568), (52, 404096), (56, 375232), (64, 328328), (77, 272896), (82, 256256), (88, 238784), (91, 230912), (104, 202048), (112, 187616), (128, 164164), (143, 146944), (154, 136448), (164, 128128), (176, 119392), (182, 115456), (208, 101024), (224, 93808), (256, 82082), (286, 73472), (287, 73216), (308, 68224), (328, 64064), (352, 59696), (364, 57728), (416, 50512), (448, 46904), (451, 46592), (512, 41041), (533, 39424), (572, 36736), (574, 36608), (616, 34112), (656, 32032), (704, 29848), (728, 28864), (832, 25256), (896, 23452), (902, 23296), (1001, 20992), (1066, 19712), (1144, 18368), (1148, 18304), (1232, 17056), (1312, 16016), (1408, 14924), (1456, 14432), (1664, 12628), (1792, 11726), (1804, 11648), (2002, 10496), (2132, 9856), (2288, 9184), (2296, 9152), (2464, 8528), (2624, 8008), (2816, 7462), (2912, 7216), (3157, 6656), (3328, 6314), (3584, 5863), (3608, 5824), (3731, 5632), (4004, 5248), (4264, 4928), (4576, 4592)]