21078596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68437}}^1$

素因数の和:68459

約数の個数: 24

約数和(自身を含む): 45990336

約数和(自身を除く): 24911740

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68437, 136874, 273748, 479059, 752807, 958118, 1505614, 1916236, 3011228, 5269649, 10539298, 21078596]

約数ペア:

[(1, 21078596), (2, 10539298), (4, 5269649), (7, 3011228), (11, 1916236), (14, 1505614), (22, 958118), (28, 752807), (44, 479059), (77, 273748), (154, 136874), (308, 68437)]