21134860

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1123}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 44469936

約数和(自身を除く): 23335076

約数列:

[1, 2, 4, 5, 10, 20, 941, 1123, 1882, 2246, 3764, 4492, 4705, 5615, 9410, 11230, 18820, 22460, 1056743, 2113486, 4226972, 5283715, 10567430, 21134860]

約数ペア:

[(1, 21134860), (2, 10567430), (4, 5283715), (5, 4226972), (10, 2113486), (20, 1056743), (941, 22460), (1123, 18820), (1882, 11230), (2246, 9410), (3764, 5615), (4492, 4705)]