21821796735205

素因数分解:

$5^1\times {\mathrm{1201}}^1\times {\mathrm{5641}}^1\times {\mathrm{644201}}^1$

素因数の和:651048

約数の個数: 16

約数和(自身を含む): 26212646377008

約数和(自身を除く): 4390849641803

約数列:

[1, 5, 1201, 5641, 6005, 28205, 644201, 3221005, 6774841, 33874205, 773685401, 3633937841, 3868427005, 18169689205, 4364359347041, 21821796735205]

約数ペア:

[(1, 21821796735205), (5, 4364359347041), (1201, 18169689205), (5641, 3868427005), (6005, 3633937841), (28205, 773685401), (644201, 33874205), (3221005, 6774841)]