20211802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 34610688

約数和(自身を除く): 14398886

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 299, 463, 598, 926, 949, 1679, 1898, 3358, 6019, 10649, 12038, 21298, 21827, 33799, 43654, 67598, 138437, 276874, 439387, 777377, 878774, 1554754, 10105901, 20211802]

約数ペア:

[(1, 20211802), (2, 10105901), (13, 1554754), (23, 878774), (26, 777377), (46, 439387), (73, 276874), (146, 138437), (299, 67598), (463, 43654), (598, 33799), (926, 21827), (949, 21298), (1679, 12038), (1898, 10649), (3358, 6019)]