21892864

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 52653440

約数和(自身を除く): 30760576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 643, 896, 1064, 1216, 1286, 1792, 2128, 2432, 2572, 4256, 4501, 4864, 5144, 8512, 9002, 10288, 12217, 17024, 18004, 20576, 24434, 34048, 36008, 41152, 48868, 72016, 82304, 85519, 97736, 144032, 164608, 171038, 195472, 288064, 342076, 390944, 576128, 684152, 781888, 1152256, 1368304, 1563776, 2736608, 3127552, 5473216, 10946432, 21892864]

約数ペア:

[(1, 21892864), (2, 10946432), (4, 5473216), (7, 3127552), (8, 2736608), (14, 1563776), (16, 1368304), (19, 1152256), (28, 781888), (32, 684152), (38, 576128), (56, 390944), (64, 342076), (76, 288064), (112, 195472), (128, 171038), (133, 164608), (152, 144032), (224, 97736), (256, 85519), (266, 82304), (304, 72016), (448, 48868), (532, 41152), (608, 36008), (643, 34048), (896, 24434), (1064, 20576), (1216, 18004), (1286, 17024), (1792, 12217), (2128, 10288), (2432, 9002), (2572, 8512), (4256, 5144), (4501, 4864)]