21107542016

素因数分解:

$2^{11}\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4483}}^1$

素因数の和:4546

約数の個数: 144

約数和(自身を含む): 48842866800

約数和(自身を除く): 27735324784

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 121, 128, 152, 176, 209, 242, 256, 304, 352, 418, 484, 512, 608, 704, 836, 968, 1024, 1216, 1408, 1672, 1936, 2048, 2299, 2432, 2816, 3344, 3872, 4483, 4598, 4864, 5632, 6688, 7744, 8966, 9196, 9728, 11264, 13376, 15488, 17932, 18392, 19456, 22528, 26752, 30976, 35864, 36784, 38912, 49313, 53504, 61952, 71728, 73568, 85177, 98626, 107008, 123904, 143456, 147136, 170354, 197252, 214016, 247808, 286912, 294272, 340708, 394504, 428032, 542443, 573824, 588544, 681416, 789008, 936947, 1084886, 1147648, 1177088, 1362832, 1578016, 1873894, 2169772, 2295296, 2354176, 2725664, 3156032, 3747788, 4339544, 4590592, 4708352, 5451328, 6312064, 7495576, 8679088, 9181184, 10306417, 10902656, 12624128, 14991152, 17358176, 20612834, 21805312, 25248256, 29982304, 34716352, 41225668, 43610624, 50496512, 59964608, 69432704, 82451336, 87221248, 100993024, 119929216, 138865408, 164902672, 174442496, 239858432, 277730816, 329805344, 479716864, 555461632, 659610688, 959433728, 1110923264, 1319221376, 1918867456, 2638442752, 5276885504, 10553771008, 21107542016]

約数ペア:

[(1, 21107542016), (2, 10553771008), (4, 5276885504), (8, 2638442752), (11, 1918867456), (16, 1319221376), (19, 1110923264), (22, 959433728), (32, 659610688), (38, 555461632), (44, 479716864), (64, 329805344), (76, 277730816), (88, 239858432), (121, 174442496), (128, 164902672), (152, 138865408), (176, 119929216), (209, 100993024), (242, 87221248), (256, 82451336), (304, 69432704), (352, 59964608), (418, 50496512), (484, 43610624), (512, 41225668), (608, 34716352), (704, 29982304), (836, 25248256), (968, 21805312), (1024, 20612834), (1216, 17358176), (1408, 14991152), (1672, 12624128), (1936, 10902656), (2048, 10306417), (2299, 9181184), (2432, 8679088), (2816, 7495576), (3344, 6312064), (3872, 5451328), (4483, 4708352), (4598, 4590592), (4864, 4339544), (5632, 3747788), (6688, 3156032), (7744, 2725664), (8966, 2354176), (9196, 2295296), (9728, 2169772), (11264, 1873894), (13376, 1578016), (15488, 1362832), (17932, 1177088), (18392, 1147648), (19456, 1084886), (22528, 936947), (26752, 789008), (30976, 681416), (35864, 588544), (36784, 573824), (38912, 542443), (49313, 428032), (53504, 394504), (61952, 340708), (71728, 294272), (73568, 286912), (85177, 247808), (98626, 214016), (107008, 197252), (123904, 170354), (143456, 147136)]