21412672

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 56

約数和(自身を含む): 44805600

約数和(自身を除く): 23392928

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 83, 116, 139, 166, 232, 278, 332, 464, 556, 664, 928, 1112, 1328, 1856, 2224, 2407, 2656, 4031, 4448, 4814, 5312, 8062, 8896, 9628, 11537, 16124, 19256, 23074, 32248, 38512, 46148, 64496, 77024, 92296, 128992, 154048, 184592, 257984, 334573, 369184, 669146, 738368, 1338292, 2676584, 5353168, 10706336, 21412672]

約数ペア:

[(1, 21412672), (2, 10706336), (4, 5353168), (8, 2676584), (16, 1338292), (29, 738368), (32, 669146), (58, 369184), (64, 334573), (83, 257984), (116, 184592), (139, 154048), (166, 128992), (232, 92296), (278, 77024), (332, 64496), (464, 46148), (556, 38512), (664, 32248), (928, 23074), (1112, 19256), (1328, 16124), (1856, 11537), (2224, 9628), (2407, 8896), (2656, 8062), (4031, 5312), (4448, 4814)]