21263936

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{4003}}^1$

素因数の和:4098

約数の個数: 28

約数和(自身を含む): 42714672

約数和(自身を除く): 21450736

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 4003, 5312, 8006, 16012, 32024, 64048, 128096, 256192, 332249, 664498, 1328996, 2657992, 5315984, 10631968, 21263936]

約数ペア:

[(1, 21263936), (2, 10631968), (4, 5315984), (8, 2657992), (16, 1328996), (32, 664498), (64, 332249), (83, 256192), (166, 128096), (332, 64048), (664, 32024), (1328, 16012), (2656, 8006), (4003, 5312)]