21497.00000000

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{8839}}^1$

素因数の和:9004

約数の個数: 16

約数和(自身を含む): 64496640

約数和(自身を除く): 20451903

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4983, 8839, 26517, 97229, 291687, 1334689, 4004067, 14681579, 44044737]

約数ペア:

[(1, 44044737), (3, 14681579), (11, 4004067), (33, 1334689), (151, 291687), (453, 97229), (1661, 26517), (4983, 8839)]