21140776

素因数分解:

$2^3\times {\mathrm{601}}^1\times {\mathrm{4397}}^1$

素因数の和:5004

約数の個数: 16

約数和(自身を含む): 39713940

約数和(自身を除く): 18573164

約数列:

[1, 2, 4, 8, 601, 1202, 2404, 4397, 4808, 8794, 17588, 35176, 2642597, 5285194, 10570388, 21140776]

約数ペア:

[(1, 21140776), (2, 10570388), (4, 5285194), (8, 2642597), (601, 35176), (1202, 17588), (2404, 8794), (4397, 4808)]