21009382

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 24

約数和(自身を含む): 34532568

約数和(自身を除く): 13523186

約数列:

[1, 2, 17, 31, 34, 62, 527, 643, 961, 1054, 1286, 1922, 10931, 16337, 19933, 21862, 32674, 39866, 338861, 617923, 677722, 1235846, 10504691, 21009382]

約数ペア:

[(1, 21009382), (2, 10504691), (17, 1235846), (31, 677722), (34, 617923), (62, 338861), (527, 39866), (643, 32674), (961, 21862), (1054, 19933), (1286, 16337), (1922, 10931)]