21390336

素因数分解:

$2^{10}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 132

約数和(自身を含む): 67698384

約数和(自身を除く): 46308048

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 211, 256, 264, 288, 352, 384, 396, 422, 512, 528, 576, 633, 704, 768, 792, 844, 1024, 1056, 1152, 1266, 1408, 1536, 1584, 1688, 1899, 2112, 2304, 2321, 2532, 2816, 3072, 3168, 3376, 3798, 4224, 4608, 4642, 5064, 5632, 6336, 6752, 6963, 7596, 8448, 9216, 9284, 10128, 11264, 12672, 13504, 13926, 15192, 16896, 18568, 20256, 20889, 25344, 27008, 27852, 30384, 33792, 37136, 40512, 41778, 50688, 54016, 55704, 60768, 74272, 81024, 83556, 101376, 108032, 111408, 121536, 148544, 162048, 167112, 216064, 222816, 243072, 297088, 324096, 334224, 445632, 486144, 594176, 648192, 668448, 891264, 972288, 1188352, 1336896, 1782528, 1944576, 2376704, 2673792, 3565056, 5347584, 7130112, 10695168, 21390336]

約数ペア:

[(1, 21390336), (2, 10695168), (3, 7130112), (4, 5347584), (6, 3565056), (8, 2673792), (9, 2376704), (11, 1944576), (12, 1782528), (16, 1336896), (18, 1188352), (22, 972288), (24, 891264), (32, 668448), (33, 648192), (36, 594176), (44, 486144), (48, 445632), (64, 334224), (66, 324096), (72, 297088), (88, 243072), (96, 222816), (99, 216064), (128, 167112), (132, 162048), (144, 148544), (176, 121536), (192, 111408), (198, 108032), (211, 101376), (256, 83556), (264, 81024), (288, 74272), (352, 60768), (384, 55704), (396, 54016), (422, 50688), (512, 41778), (528, 40512), (576, 37136), (633, 33792), (704, 30384), (768, 27852), (792, 27008), (844, 25344), (1024, 20889), (1056, 20256), (1152, 18568), (1266, 16896), (1408, 15192), (1536, 13926), (1584, 13504), (1688, 12672), (1899, 11264), (2112, 10128), (2304, 9284), (2321, 9216), (2532, 8448), (2816, 7596), (3072, 6963), (3168, 6752), (3376, 6336), (3798, 5632), (4224, 5064), (4608, 4642)]