21766210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 41659200

約数和(自身を除く): 19892990

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1051, 1090, 2071, 2102, 4142, 5255, 10355, 10510, 19969, 20710, 39938, 99845, 114559, 199690, 229118, 572795, 1145590, 2176621, 4353242, 10883105, 21766210]

約数ペア:

[(1, 21766210), (2, 10883105), (5, 4353242), (10, 2176621), (19, 1145590), (38, 572795), (95, 229118), (109, 199690), (190, 114559), (218, 99845), (545, 39938), (1051, 20710), (1090, 19969), (2071, 10510), (2102, 10355), (4142, 5255)]