21072012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135077}}^1$

素因数の和:135097

約数の個数: 24

約数和(自身を含む): 52950576

約数和(自身を除く): 31878564

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135077, 270154, 405231, 540308, 810462, 1620924, 1756001, 3512002, 5268003, 7024004, 10536006, 21072012]

約数ペア:

[(1, 21072012), (2, 10536006), (3, 7024004), (4, 5268003), (6, 3512002), (12, 1756001), (13, 1620924), (26, 810462), (39, 540308), (52, 405231), (78, 270154), (156, 135077)]