21440512

素因数分解:

$2^{11}\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 46805850

約数和(自身を除く): 25365338

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 361, 464, 512, 551, 608, 722, 928, 1024, 1102, 1216, 1444, 1856, 2048, 2204, 2432, 2888, 3712, 4408, 4864, 5776, 7424, 8816, 9728, 10469, 11552, 14848, 17632, 19456, 20938, 23104, 29696, 35264, 38912, 41876, 46208, 59392, 70528, 83752, 92416, 141056, 167504, 184832, 282112, 335008, 369664, 564224, 670016, 739328, 1128448, 1340032, 2680064, 5360128, 10720256, 21440512]

約数ペア:

[(1, 21440512), (2, 10720256), (4, 5360128), (8, 2680064), (16, 1340032), (19, 1128448), (29, 739328), (32, 670016), (38, 564224), (58, 369664), (64, 335008), (76, 282112), (116, 184832), (128, 167504), (152, 141056), (232, 92416), (256, 83752), (304, 70528), (361, 59392), (464, 46208), (512, 41876), (551, 38912), (608, 35264), (722, 29696), (928, 23104), (1024, 20938), (1102, 19456), (1216, 17632), (1444, 14848), (1856, 11552), (2048, 10469), (2204, 9728), (2432, 8816), (2888, 7424), (3712, 5776), (4408, 4864)]