21004446

素因数分解:

$2^1\times 3^1\times {\mathrm{1753}}^1\times {\mathrm{1997}}^1$

素因数の和:3755

約数の個数: 16

約数和(自身を含む): 42053904

約数和(自身を除く): 21049458

約数列:

[1, 2, 3, 6, 1753, 1997, 3506, 3994, 5259, 5991, 10518, 11982, 3500741, 7001482, 10502223, 21004446]

約数ペア:

[(1, 21004446), (2, 10502223), (3, 7001482), (6, 3500741), (1753, 11982), (1997, 10518), (3506, 5991), (3994, 5259)]