21401057

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 22915200

約数和(自身を除く): 1514143

約数列:

[1, 41, 43, 61, 199, 1763, 2501, 2623, 8159, 8557, 12139, 107543, 350837, 497699, 521977, 21401057]

約数ペア:

[(1, 21401057), (41, 521977), (43, 497699), (61, 350837), (199, 107543), (1763, 12139), (2501, 8557), (2623, 8159)]