21609920878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1946489}}^1$

素因数の和:1946572

約数の個数: 32

約数和(自身を含む): 40549279680

約数和(自身を除く): 18939358802

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 5551, 11102, 1946489, 3892978, 13625423, 25304357, 27250846, 50608714, 118735829, 177130499, 237471658, 354260998, 831150803, 1543565777, 1662301606, 3087131554, 10804960439, 21609920878]

約数ペア:

[(1, 21609920878), (2, 10804960439), (7, 3087131554), (13, 1662301606), (14, 1543565777), (26, 831150803), (61, 354260998), (91, 237471658), (122, 177130499), (182, 118735829), (427, 50608714), (793, 27250846), (854, 25304357), (1586, 13625423), (5551, 3892978), (11102, 1946489)]