21898218

素因数分解:

$2^1\times 3^1\times {\mathrm{1303}}^1\times {\mathrm{2801}}^1$

素因数の和:4109

約数の個数: 16

約数和(自身を含む): 43845696

約数和(自身を除く): 21947478

約数列:

[1, 2, 3, 6, 1303, 2606, 2801, 3909, 5602, 7818, 8403, 16806, 3649703, 7299406, 10949109, 21898218]

約数ペア:

[(1, 21898218), (2, 10949109), (3, 7299406), (6, 3649703), (1303, 16806), (2606, 8403), (2801, 7818), (3909, 5602)]