21398206

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2393}}^1$

素因数の和:2675

約数の個数: 16

約数和(自身を含む): 34128864

約数和(自身を除く): 12730658

約数列:

[1, 2, 17, 34, 263, 526, 2393, 4471, 4786, 8942, 40681, 81362, 629359, 1258718, 10699103, 21398206]

約数ペア:

[(1, 21398206), (2, 10699103), (17, 1258718), (34, 629359), (263, 81362), (526, 40681), (2393, 8942), (4471, 4786)]