21266886

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66877}}^1$

素因数の和:66935

約数の個数: 16

約数和(自身を含む): 43336944

約数和(自身を除く): 22070058

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66877, 133754, 200631, 401262, 3544481, 7088962, 10633443, 21266886]

約数ペア:

[(1, 21266886), (2, 10633443), (3, 7088962), (6, 3544481), (53, 401262), (106, 200631), (159, 133754), (318, 66877)]