21895006

素因数分解:

$2^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{4507}}^1$

素因数の和:4863

約数の個数: 16

約数和(自身を含む): 37650816

約数和(自身を除く): 15755810

約数列:

[1, 2, 7, 14, 347, 694, 2429, 4507, 4858, 9014, 31549, 63098, 1563929, 3127858, 10947503, 21895006]

約数ペア:

[(1, 21895006), (2, 10947503), (7, 3127858), (14, 1563929), (347, 63098), (694, 31549), (2429, 9014), (4507, 4858)]