21122258

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 32323200

約数和(自身を除く): 11200942

約数列:

[1, 2, 73, 146, 199, 398, 727, 1454, 14527, 29054, 53071, 106142, 144673, 289346, 10561129, 21122258]

約数ペア:

[(1, 21122258), (2, 10561129), (73, 289346), (146, 144673), (199, 106142), (398, 53071), (727, 29054), (1454, 14527)]