21208382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3413}}^1$

素因数の和:3667

約数の個数: 16

約数和(自身を含む): 34413120

約数和(自身を除く): 13204738

約数列:

[1, 2, 13, 26, 239, 478, 3107, 3413, 6214, 6826, 44369, 88738, 815707, 1631414, 10604191, 21208382]

約数ペア:

[(1, 21208382), (2, 10604191), (13, 1631414), (26, 815707), (239, 88738), (478, 44369), (3107, 6826), (3413, 6214)]