21009373089

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1\times {\mathrm{259943}}^1$

素因数の和:260904

約数の個数: 16

約数和(自身を含む): 29009750400

約数和(自身を除く): 8000377311

約数列:

[1, 3, 29, 87, 929, 2787, 26941, 80823, 259943, 779829, 7538347, 22615041, 241487047, 724461141, 7003124363, 21009373089]

約数ペア:

[(1, 21009373089), (3, 7003124363), (29, 724461141), (87, 241487047), (929, 22615041), (2787, 7538347), (26941, 779829), (80823, 259943)]