21085797

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13337}}^1$

素因数の和:13388

約数の個数: 16

約数和(自身を含む): 30730752

約数和(自身を除く): 9644955

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13337, 40011, 226729, 413447, 680187, 1240341, 7028599, 21085797]

約数ペア:

[(1, 21085797), (3, 7028599), (17, 1240341), (31, 680187), (51, 413447), (93, 226729), (527, 40011), (1581, 13337)]