21401798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2939}}^1$

素因数の和:3283

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 13737082

約数列:

[1, 2, 11, 22, 331, 662, 2939, 3641, 5878, 7282, 32329, 64658, 972809, 1945618, 10700899, 21401798]

約数ペア:

[(1, 21401798), (2, 10700899), (11, 1945618), (22, 972809), (331, 64658), (662, 32329), (2939, 7282), (3641, 5878)]