21059868

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33113}}^1$

素因数の和:33173

約数の個数: 24

約数和(自身を含む): 50068368

約数和(自身を除く): 29008500

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33113, 66226, 99339, 132452, 198678, 397356, 1754989, 3509978, 5264967, 7019956, 10529934, 21059868]

約数ペア:

[(1, 21059868), (2, 10529934), (3, 7019956), (4, 5264967), (6, 3509978), (12, 1754989), (53, 397356), (106, 198678), (159, 132452), (212, 99339), (318, 66226), (636, 33113)]