21804242

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1583}}^1$

素因数の和:1753

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 11725870

約数列:

[1, 2, 71, 97, 142, 194, 1583, 3166, 6887, 13774, 112393, 153551, 224786, 307102, 10902121, 21804242]

約数ペア:

[(1, 21804242), (2, 10902121), (71, 307102), (97, 224786), (142, 153551), (194, 112393), (1583, 13774), (3166, 6887)]