21583984

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16253}}^1$

素因数の和:16344

約数の個数: 20

約数和(自身を含む): 42325416

約数和(自身を除く): 20741432

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16253, 32506, 65012, 130024, 260048, 1348999, 2697998, 5395996, 10791992, 21583984]

約数ペア:

[(1, 21583984), (2, 10791992), (4, 5395996), (8, 2697998), (16, 1348999), (83, 260048), (166, 130024), (332, 65012), (664, 32506), (1328, 16253)]