21412984

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16421}}^1$

素因数の和:16590

約数の個数: 16

約数和(自身を含む): 40398120

約数和(自身を除く): 18985136

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16421, 32842, 65684, 131368, 2676623, 5353246, 10706492, 21412984]

約数ペア:

[(1, 21412984), (2, 10706492), (4, 5353246), (8, 2676623), (163, 131368), (326, 65684), (652, 32842), (1304, 16421)]