21217398

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{75239}}^1$

素因数の和:75291

約数の個数: 16

約数和(自身を含む): 43338240

約数和(自身を除く): 22120842

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 75239, 150478, 225717, 451434, 3536233, 7072466, 10608699, 21217398]

約数ペア:

[(1, 21217398), (2, 10608699), (3, 7072466), (6, 3536233), (47, 451434), (94, 225717), (141, 150478), (282, 75239)]