21839744

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1870

約数の個数: 32

約数和(自身を含む): 43982400

約数和(自身を除く): 22142656

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 1759, 3104, 3518, 6208, 7036, 12416, 14072, 28144, 56288, 112576, 170623, 225152, 341246, 682492, 1364984, 2729968, 5459936, 10919872, 21839744]

約数ペア:

[(1, 21839744), (2, 10919872), (4, 5459936), (8, 2729968), (16, 1364984), (32, 682492), (64, 341246), (97, 225152), (128, 170623), (194, 112576), (388, 56288), (776, 28144), (1552, 14072), (1759, 12416), (3104, 7036), (3518, 6208)]